CVE-2022-2200

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Mozilla Firefox is a standalone web browser, designed for standards compliance and performance. Its functionality can be enhanced via a plethora of extensions.

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability.

Security Fix(es):

Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 80, Firefox ESR < 78.2, Thunderbird < 78.2, and Firefox for Android < 80.(CVE-2020-15670)

Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.(CVE-2020-15673)

Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81.(CVE-2020-15674)

When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 81.(CVE-2020-15675)

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.(CVE-2020-15680)

When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.(CVE-2020-15681)

When a link to an external protocol was clicked, a prompt was presented that allowed the user to choose what application to open it in. An attacker could induce that prompt to be associated with an origin they didn't control, resulting in a spoofing attack. This was fixed by changing external protocol prompts to be tab-modal while also ensuring they could not be incorrectly associated with a different origin. This vulnerability affects Firefox < 82.(CVE-2020-15682)

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.(CVE-2020-15683)

Mozilla developers reported memory safety bugs present in Firefox 81. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 82.(CVE-2020-15684)

Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.(CVE-2020-16012)

Use after free in WebRTC in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted SCTP packet.(CVE-2020-16044)

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.(CVE-2020-26950)

(CVE-2020-26951)

(CVE-2020-26953) …

Mozilla Firefox is a standalone web browser, designed for standards compliance and performance. Its functionality can be enhanced via a plethora of extensions.

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability.

Security Fix(es):

Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 80, Firefox ESR < 78.2, Thunderbird < 78.2, and Firefox for Android < 80.(CVE-2020-15670)

Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.(CVE-2020-15673)

Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81.(CVE-2020-15674)

When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 81.(CVE-2020-15675)

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.(CVE-2020-15680)

When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.(CVE-2020-15681)

When a link to an external protocol was clicked, a prompt was presented that allowed the user to choose what application to open it in. An attacker could induce that prompt to be associated with an origin they didn't control, resulting in a spoofing attack. This was fixed by changing external protocol prompts to be tab-modal while also ensuring they could not be incorrectly associated with a different origin. This vulnerability affects Firefox < 82.(CVE-2020-15682)

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.(CVE-2020-15683)

Mozilla developers reported memory safety bugs present in Firefox 81. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 82.(CVE-2020-15684)

Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.(CVE-2020-16012)

Use after free in WebRTC in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted SCTP packet.(CVE-2020-16044)

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.(CVE-2020-26950)

(CVE-2020-26951)

(CVE-2020-26953) …

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 91.11 ESR.

Security Fix(es):

• Mozilla: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (CVE-2022-34468)

• Mozilla: Use-after-free in nsSHistory (CVE-2022-34470)

• Mozilla: A popup window could be resized in a way to overlay the address bar with web content (CVE-2022-34479)

• Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 (CVE-2022-34484)

• Mozilla: Undesired attributes could be set as part of prototype pollution (CVE-2022-2200)

• Mozilla: CSP bypass enabling stylesheet injection (CVE-2022-31744)

• Mozilla: Unavailable PAC file resulted in OCSP requests being blocked (CVE-2022-34472)

• Mozilla: Potential integer overflow in ReplaceElementsAt (CVE-2022-34481)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 91.11.

Security Fix(es):

• Mozilla: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (CVE-2022-34468)

• Mozilla: Use-after-free in nsSHistory (CVE-2022-34470)

• Mozilla: A popup window could be resized in a way to overlay the address bar with web content (CVE-2022-34479)

• Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 (CVE-2022-34484)

• Mozilla: Undesired attributes could be set as part of prototype pollution (CVE-2022-2200)

• Mozilla: An email with a mismatching OpenPGP signature date was accepted as valid (CVE-2022-2226)

• Mozilla: CSP bypass enabling stylesheet injection (CVE-2022-31744)

• Mozilla: Unavailable PAC file resulted in OCSP requests being blocked (CVE-2022-34472)

• Mozilla: Potential integer overflow in ReplaceElementsAt (CVE-2022-34481)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.11. Security Fix(es):

• Mozilla: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (CVE-2022-34468)
• Mozilla: Use-after-free in nsSHistory (CVE-2022-34470)
• Mozilla: A popup window could be resized in a way to overlay the address bar with web content (CVE-2022-34479)
• Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 (CVE-2022-34484)
• Mozilla: Undesired attributes could be set as part of prototype pollution (CVE-2022-2200)
• Mozilla: An email with a mismatching OpenPGP signature date was accepted as valid (CVE-2022-2226)
• Mozilla: CSP bypass enabling stylesheet injection (CVE-2022-31744)
• Mozilla: Unavailable PAC file resulted in OCSP requests being blocked (CVE-2022-34472)
• Mozilla: Potential integer overflow in ReplaceElementsAt (CVE-2022-34481) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution (CVE-2022-2200).

An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy (CVE-2022-31744).

Content Security Policy sandbox header without allow-scripts can be bypassed via retargeted javascript: URI. An iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link (CVE-2022-34468).

Navigations between XML documents may have led to a use-after-free in nsSHistory and potentially exploitable crash (CVE-2022-34470).

If there was a PAC URL set and the server that hosts the PAC was not reachable, OCSP requests would have been blocked, resulting in incorrect error pages being shown (CVE-2022-34472).

A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks (CVE-2022-34479).

In the nsTArray_Impl::ReplaceElementsAt() function, an integer overflow could have occurred when the number of elements to replace was too large for the container (CVE-2022-34481).

The Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox ESR 91.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort

A popup window could be resized in a way to overlay the address bar with web content. (CVE-2022-34479)

Use-after-free in nsSHistory. (CVE-2022-34470)

CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI. (CVE-2022-34468)

An email with a mismatching OpenPGP signature date was accepted as valid. (CVE-2022-2226)

Potential integer overflow in ReplaceElementsAt. (CVE-2022-34481)

CSP bypass enabling stylesheet injection. (CVE-2022-31744)

Unavailable PAC file resulted in OCSP requests being blocked. (CVE-2022-34472)

Undesired attributes could be set as part of prototype pollution. (CVE-2022-2200)

Memory safety bugs fixed in Thunderbird 91.11 and Thunderbird 102. (CVE-2022-34484)

These are all security issues fixed in the MozillaThunderbird-91.11.0-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the MozillaFirefox-102.0.1-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 91.11.0 ESR (MFSA 2022-25) (bsc#1200793):

• CVE-2022-2200: Undesired attributes could be set as part of prototype pollution (bmo#1771381)
• CVE-2022-31744: CSP bypass enabling stylesheet injection (bmo#1757604)
• CVE-2022-34468: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (bmo#1768537)
• CVE-2022-34470: Use-after-free in nsSHistory (bmo#1765951)
• CVE-2022-34472: Unavailable PAC file resulted in OCSP requests being blocked (bmo#1770123)
• CVE-2022-34478: Microsoft protocols can be attacked if a user accepts a prompt (bmo#1773717)
• CVE-2022-34479: A popup window could be resized in a way to overlay the address bar with web content (bmo#1745595)
• CVE-2022-34481: Potential integer overflow in ReplaceElementsAt (bmo#1497246)
• CVE-2022-34484: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 (bmo#1763634, bmo#1772651)

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 91.11.0 ESR (MFSA 2022-25) (bsc#1200793):

• CVE-2022-2200: Undesired attributes could be set as part of prototype pollution (bmo#1771381)
• CVE-2022-31744: CSP bypass enabling stylesheet injection (bmo#1757604)
• CVE-2022-34468: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (bmo#1768537)
• CVE-2022-34470: Use-after-free in nsSHistory (bmo#1765951)
• CVE-2022-34472: Unavailable PAC file resulted in OCSP requests being blocked (bmo#1770123)
• CVE-2022-34478: Microsoft protocols can be attacked if a user accepts a prompt (bmo#1773717)
• CVE-2022-34479: A popup window could be resized in a way to overlay the address bar with web content (bmo#1745595)
• CVE-2022-34481: Potential integer overflow in ReplaceElementsAt (bmo#1497246)
• CVE-2022-34484: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 (bmo#1763634, bmo#1772651)

This update for MozillaFirefox fixes the following issues:

Update to Firefox Extended Support Release 91.11.0 ESR (MFSA 2022-25) (bsc#1200793):

• CVE-2022-2200: Undesired attributes could be set as part of prototype pollution (bmo#1771381)
• CVE-2022-31744: CSP bypass enabling stylesheet injection (bmo#1757604)
• CVE-2022-34468: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (bmo#1768537)
• CVE-2022-34470: Use-after-free in nsSHistory (bmo#1765951)
• CVE-2022-34472: Unavailable PAC file resulted in OCSP requests being blocked (bmo#1770123)
• CVE-2022-34478: Microsoft protocols can be attacked if a user accepts a prompt (bmo#1773717)
• CVE-2022-34479: A popup window could be resized in a way to overlay the address bar with web content (bmo#1745595)
• CVE-2022-34481: Potential integer overflow in ReplaceElementsAt (bmo#1497246)
• CVE-2022-34484: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11 (bmo#1763634, bmo#1772651)

This update for MozillaThunderbird fixes the following issues:

• CVE-2022-2200: Undesired attributes could be set as part of prototype pollution (bmo#1771381)
• CVE-2022-2226: An email with a mismatching OpenPGP signature date was accepted as valid (bmo#1775441)
• CVE-2022-31744: CSP bypass enabling stylesheet injection (bmo#1757604)
• CVE-2022-34468: CSP sandbox header without allow-scripts can be bypassed via retargeted javascript: URI (bmo#1768537)
• CVE-2022-34470: Use-after-free in nsSHistory (bmo#1765951)
• CVE-2022-34472: Unavailable PAC file resulted in OCSP requests being blocked (bmo#1770123)
• CVE-2022-34478: Microsoft protocols can be attacked if a user accepts a prompt (bmo#1773717)
• CVE-2022-34479: A popup window could be resized in a way to overlay the address bar with web content (bmo#1745595)
• CVE-2022-34481: Potential integer overflow in ReplaceElementsAt (bmo#1497246)
• CVE-2022-34484: Memory safety bugs fixed in Thunderbird 91.11 and Thunderbird 102 (bmo#1763634, bmo#1772651)

This update for MozillaFirefox fixes the following issues:

Mozilla Firefox was updated to 102.2.0esr ESR:

• Fixed: Various stability, functionality, and security fixes.

• MFSA 2022-34 (bsc#1202645)

  • CVE-2022-38472 (bmo#1769155) Address bar spoofing via XSLT error handling
  • CVE-2022-38473 (bmo#1771685) Cross-origin XSLT Documents would have inherited the parent's permissions
  • CVE-2022-38476 (bmo#1760998) Data race and potential use-after-free in PK11_ChangePW
  • CVE-2022-38477 (bmo#1760611, bmo#1770219, bmo#1771159, bmo#1773363) Memory safety bugs fixed in Firefox 104 and Firefox ESR 102.2
  • CVE-2022-38478 (bmo#1770630, bmo#1776658) Memory safety bugs fixed in Firefox 104, Firefox ESR 102.2, and Firefox ESR 91.13

Firefox Extended Support Release 102.1 ESR

• Fixed: Various stability, functionality, and security fixes.

• MFSA 2022-30 (bsc#1201758)

  • CVE-2022-36319 (bmo#1737722) Mouse Position spoofing with CSS transforms
  • CVE-2022-36318 (bmo#1771774) Directory indexes for bundled resources reflected URL parameters
  • CVE-2022-36314 (bmo#1773894) Opening local <code>.lnk</code> files could cause unexpected network loads
  • CVE-2022-2505 (bmo#1769739, bmo#1772824) Memory safety bugs fixed in Firefox 103 and 102.1

• Firefox Extended Support Release 102.0.1 ESR

  • Fixed: Fixed bookmark shortcut creation by dragging to Windows File Explorer and dropping partially broken (bmo#1774683)
  • Fixed: Fixed bookmarks sidebar flashing white when opened in dark mode (bmo#1776157)
  • Fixed: Fixed multilingual spell checking not working with content in both English and a non-Latin alphabet (bmo#1773802)
  • Fixed: Developer tools: Fixed an issue where the console output keep getting scrolled to the bottom when the last visible message is an evaluation result (bmo#1776262)
  • Fixed: Fixed Delete cookies and site data when Firefox is closed checkbox getting disabled on startup (bmo#1777419)
  • Fixed: Various stability fixes

Firefox 102.0 ESR:

• New:

  • We now provide more secure connections: Firefox can now automatically upgrade to HTTPS using HTTPS RR as Alt-Svc headers.
  • For added viewing pleasure, full-range color levels are now supported for video playback on many systems.
  • Find it easier now! Mac users can now access the macOS share options from the Firefox File menu.
  • Voilà! Support for images containing ICC v4 profiles is enabled on macOS.
  • Firefox now supports the new AVIF image format, which is based on the modern and royalty-free AV1 video codec. It offers significant bandwidth savings for sites compared to existing image formats. It also supports transparency and other advanced features.
  • Firefox PDF viewer now supports filling more forms (e.g., XFA-based forms, used by multiple governments and banks). Learn more.
  • When available system memory is critically low, Firefox on Windows will automatically unload tabs based on their last access time, memory usage, and other attributes. This helps to reduce Firefox out-of-memory crashes. Forgot something? Switching to an unloaded tab automatically reloads it.
  • To prevent session loss for macOS users who are running Firefox from a mounted .dmg file, they’ll now be prompted to finish installation. Bear in mind, this permission prompt only appears the first time these users run Firefox on their computer.
  • For your safety, Firefox now blocks downloads that rely on insecure connections, protecting against potentially malicious or unsafe downloads. Learn more and see where to find downloads in Firefox.
  • Improved web compatibility for privacy protections with SmartBlock 3.0: In Private Browsing and Strict Tracking Protection, Firefox goes to great lengths to protect your web browsing activity from trackers. As part of this, the built- in…

This update for MozillaFirefox fixes the following issues:

Mozilla Firefox was updated to 102.2.0esr ESR:

• Fixed: Various stability, functionality, and security fixes.

• MFSA 2022-34 (bsc#1202645)

  • CVE-2022-38472 (bmo#1769155) Address bar spoofing via XSLT error handling
  • CVE-2022-38473 (bmo#1771685) Cross-origin XSLT Documents would have inherited the parent's permissions
  • CVE-2022-38476 (bmo#1760998) Data race and potential use-after-free in PK11_ChangePW
  • CVE-2022-38477 (bmo#1760611, bmo#1770219, bmo#1771159, bmo#1773363) Memory safety bugs fixed in Firefox 104 and Firefox ESR 102.2
  • CVE-2022-38478 (bmo#1770630, bmo#1776658) Memory safety bugs fixed in Firefox 104, Firefox ESR 102.2, and Firefox ESR 91.13

Firefox Extended Support Release 102.1 ESR

• Fixed: Various stability, functionality, and security fixes.

• MFSA 2022-30 (bsc#1201758)

  • CVE-2022-36319 (bmo#1737722) Mouse Position spoofing with CSS transforms
  • CVE-2022-36318 (bmo#1771774) Directory indexes for bundled resources reflected URL parameters
  • CVE-2022-36314 (bmo#1773894) Opening local <code>.lnk</code> files could cause unexpected network loads
  • CVE-2022-2505 (bmo#1769739, bmo#1772824) Memory safety bugs fixed in Firefox 103 and 102.1

• Firefox Extended Support Release 102.0.1 ESR

  • Fixed: Fixed bookmark shortcut creation by dragging to Windows File Explorer and dropping partially broken (bmo#1774683)
  • Fixed: Fixed bookmarks sidebar flashing white when opened in dark mode (bmo#1776157)
  • Fixed: Fixed multilingual spell checking not working with content in both English and a non-Latin alphabet (bmo#1773802)
  • Fixed: Developer tools: Fixed an issue where the console output keep getting scrolled to the bottom when the last visible message is an evaluation result (bmo#1776262)
  • Fixed: Fixed Delete cookies and site data when Firefox is closed checkbox getting disabled on startup (bmo#1777419)
  • Fixed: Various stability fixes

Firefox 102.0 ESR:

• New:

  • We now provide more secure connections: Firefox can now automatically upgrade to HTTPS using HTTPS RR as Alt-Svc headers.
  • For added viewing pleasure, full-range color levels are now supported for video playback on many systems.
  • Find it easier now! Mac users can now access the macOS share options from the Firefox File menu.
  • Voilà! Support for images containing ICC v4 profiles is enabled on macOS.
  • Firefox now supports the new AVIF image format, which is based on the modern and royalty-free AV1 video codec. It offers significant bandwidth savings for sites compared to existing image formats. It also supports transparency and other advanced features.
  • Firefox PDF viewer now supports filling more forms (e.g., XFA-based forms, used by multiple governments and banks). Learn more.
  • When available system memory is critically low, Firefox on Windows will automatically unload tabs based on their last access time, memory usage, and other attributes. This helps to reduce Firefox out-of-memory crashes. Forgot something? Switching to an unloaded tab automatically reloads it.
  • To prevent session loss for macOS users who are running Firefox from a mounted .dmg file, they’ll now be prompted to finish installation. Bear in mind, this permission prompt only appears the first time these users run Firefox on their computer.
  • For your safety, Firefox now blocks downloads that rely on insecure connections, protecting against potentially malicious or unsafe downloads. Learn more and see where to find downloads in Firefox.
  • Improved web compatibility for privacy protections with SmartBlock 3.0: In Private Browsing and Strict Tracking Protection, Firefox goes to great lengths to protect your web browsing activity from trackers. As part of this, the built- in…

This update for MozillaThunderbird fixes the following issues:

Updated to Mozilla Thunderbird 102.2.2:

• CVE-2022-3033: Fixed leaking of sensitive information when composing a response to an HTML email with a META refresh tag (bsc#1203007).

• CVE-2022-3032: Fixed missing blocking of remote content specified in an HTML document that was nested inside an iframe's srcdoc attribute (bsc#1203007).

• CVE-2022-3034: Fixed issue where iframe element in an HTML email could trigger a network request (bsc#1203007).

• CVE-2022-36059: Fixed DoS in Matrix SDK bundled with Thunderbird service attack (bsc#1203007).

• CVE-2022-38472: Fixed Address bar spoofing via XSLT error handling (bsc#1202645).

• CVE-2022-38473: Fixed cross-origin XSLT Documents inheriting the parent's permissions (bsc#1202645).

• CVE-2022-38476: Fixed data race and potential use-after-free in PK11_ChangePW (bsc#1202645).

• CVE-2022-38477: Fixed memory safety bugs (bsc#1202645).

• CVE-2022-38478: Fixed memory safety bugs (bsc#1202645).

• CVE-2022-36319: Fixed mouse position spoofing with CSS transforms (bsc#1201758).

• CVE-2022-36318: Fixed directory indexes for bundled resources reflected URL parameters (bsc#1201758).

• CVE-2022-36314: Fixed unexpected network loads when opening local .lnk files (bsc#1201758).

• CVE-2022-2505: Fixed memory safety bugs (bsc#1201758).

• CVE-2022-34479: Fixed vulnerability which could overlay the address bar with web content (bsc#1200793).

• CVE-2022-34470: Fixed use-after-free in nsSHistory (bsc#1200793).

• CVE-2022-34468: Fixed CSP sandbox header without allow-scripts bypass via retargeted javascript (bsc#1200793).

• CVE-2022-2226: Fixed emails with a mismatching OpenPGP signature date incorrectly accepted as valid (bsc#1200793).

• CVE-2022-34481: Fixed integer overflow in ReplaceElementsAt (bsc#1200793).

• CVE-2022-31744: Fixed CSP bypass enabling stylesheet injection (bsc#1200793).

• CVE-2022-34472: Fixed unavailable PAC file resulting in OCSP requests being blocked (bsc#1200793).

• CVE-2022-34478: Fixed Microsoft protocols attacks if a user accepts a prompt (bsc#1200793).

• CVE-2022-2200: Fixed vulnerability where undesired attributes could be set as part of prototype pollution (bsc#1200793).

• CVE-2022-34484: Fixed memory safety bugs (bsc#1200793).

This update for MozillaFirefox fixes the following issues:

Mozilla Firefox was updated to 102.3.0esr ESR (bsc#1200793, bsc#1201758, bsc#1202645, bsc#1203477):

• CVE-2022-40959: Fixed bypassing FeaturePolicy restrictions on transient pages.
• CVE-2022-40960: Fixed data-race when parsing non-UTF-8 URLs in threads.
• CVE-2022-40958: Fixed bypassing secure context restriction for cookies with __Host and __Secure prefix.
• CVE-2022-40956: Fixed content-security-policy base-uri bypass.
• CVE-2022-40957: Fixed incoherent instruction cache when building WASM on ARM64.
• CVE-2022-40962: Fixed memory safety bugs.
• CVE-2022-38472: Fixed a potential address bar spoofing via XSLT error handling.
• CVE-2022-38473: Fixed an issue where cross-origin XSLT documents could inherit the parent's permissions.
• CVE-2022-38478: Fixed various memory safety issues.
• CVE-2022-38476: Fixed data race and potential use-after-free in PK11_ChangePW.
• CVE-2022-38477: Fixed memory safety bugs.
• CVE-2022-36319: Fixed mouse position spoofing with CSS transforms.
• CVE-2022-36318: Fixed directory indexes for bundled resources reflected URL parameters.
• CVE-2022-36314: Fixed unexpected network loads when opening local .lnk files.
• CVE-2022-2505: Fixed memory safety bugs.
• CVE-2022-34479: Fixed vulnerabilty where a popup window could be resized in a way to overlay the address bar with web content.
• CVE-2022-34470: Fixed use-after-free in nsSHistory.
• CVE-2022-34468: Fixed bypass of CSP sandbox header without allow-scripts via retargeted javascript: URI.
• CVE-2022-34482: Fixed drag and drop of malicious image that could have led to malicious executable and potential code execution.
• CVE-2022-34483: Fixed drag and drop of malicious image that could have led to malicious executable and potential code execution.
• CVE-2022-34476: Fixed vulnerability where ASN.1 parser could have been tricked into accepting malformed ASN.1.
• CVE-2022-34481: Fixed potential integer overflow in ReplaceElementsAt
• CVE-2022-34474: Fixed vulnerability where sandboxed iframes could redirect to external schemes.
• CVE-2022-34469: Fixed TLS certificate errors on HSTS-protected domains which could be bypassed by the user on Firefox for Android.
• CVE-2022-34471: Fixed vulnerability where a compromised server could trick a browser into an addon downgrade.
• CVE-2022-34472: Fixed vulnerability where an unavailable PAC file resulted in OCSP requests being blocked.
• CVE-2022-34478: Fixed vulnerability where Microsoft protocols can be attacked if a user accepts a prompt.
• CVE-2022-2200: Fixed vulnerability where undesired attributes could be set as part of prototype pollution.
• CVE-2022-34480: Fixed free of uninitialized pointer in lg_init.
• CVE-2022-34477: Fixed vulnerability in MediaError message property leaking information on cross-origin same-site pages.
• CVE-2022-34475: Fixed vulnerability where the HTML Sanitizer could have been bypassed via same-origin script via use tags.
• CVE-2022-34473: Fixed vulnerability where the HTML Sanitizer could have been bypassed via use tags.
• CVE-2022-34484: Fixed memory safety bugs.
• CVE-2022-34485: Fixed memory safety bugs.

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the browser UI, bypass CSP restrictions, bypass sandboxed iframe restrictions, obtain sensitive information, bypass the HTML sanitizer, or execute arbitrary code. (CVE-2022-2200, CVE-2022-34468, CVE-2022-34470, CVE-2022-34473, CVE-2022-34474, CVE-2022-34475, CVE-2022-34476, CVE-2022-34477, CVE-2022-34479, CVE-2022-34480, CVE-2022-34481, CVE-2022-34484, CVE-2022-34485)

It was discovered that Firefox could be made to save an image with an executable extension in the filename when dragging and dropping an image in some circumstances. If a user were tricked into dragging and dropping a specially crafted image, an attacker could potentially exploit this to trick the user into executing arbitrary code. (CVE-2022-34482, CVE-2022-34483)

It was discovered that a compromised server could trick Firefox into an addon downgrade in some circumstances. An attacker could potentially exploit this to trick the browser into downgrading an addon to a prior version. (CVE-2022-34471)

It was discovered that an unavailable PAC file caused OCSP requests to be blocked, resulting in incorrect error pages being displayed. (CVE-2022-34472)

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, spoof the UI, bypass CSP restrictions, or execute arbitrary code. (CVE-2022-2200, CVE-2022-31736, CVE-2022-31737, CVE-2022-31738, CVE-2022-31740, CVE-2022-31741, CVE-2022-31742, CVE-2022-31744, CVE-2022-31747, CVE-2022-34468, CVE-2022-34470, CVE-2022-34479, CVE-2022-34481, CVE-2022-34484)

It was discovered that an unavailable PAC file caused OCSP requests to be blocked, resulting in incorrect error pages being displayed. (CVE-2022-34472)

It was discovered that the Braille space character could be used to cause Thunderbird to display the wrong sender address for signed messages. An attacker could potentially exploit this to trick the user into believing a message had been sent from somebody they trusted. (CVE-2022-1834)

It was discovered that Thunderbird would consider an email with a mismatched OpenPGP signature date as valid. An attacker could potentially exploit this by replaying an older message in order to trick the user into believing that the statements in the message are current. (CVE-2022-2226)