CVE-2022-26486

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

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 91.7.0 ESR.

Security Fix(es):

• Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

• Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

• expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

• expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

• expat: Integer overflow in storeRawNames() (CVE-2022-25315)

• Mozilla: Use-after-free in text reflows (CVE-2022-26381)

• Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

• Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

• Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

• Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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 91.7.0.

Security Fix(es):

• Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

• Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

• expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

• expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

• expat: Integer overflow in storeRawNames() (CVE-2022-25315)

• Mozilla: Use-after-free in text reflows (CVE-2022-26381)

• Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

• Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

• Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

• thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)

• Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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.

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

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

This update upgrades Firefox to version 91.7.0 ESR.

Security Fix(es):

• Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

• Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

• expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

• expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

• expat: Integer overflow in storeRawNames() (CVE-2022-25315)

• Mozilla: Use-after-free in text reflows (CVE-2022-26381)

• Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

• Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

• Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

• Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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 91.7.0.

Security Fix(es):

• Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

• Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

• expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

• expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

• expat: Integer overflow in storeRawNames() (CVE-2022-25315)

• Mozilla: Use-after-free in text reflows (CVE-2022-26381)

• Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

• Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

• Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

• thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)

• Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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.

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free (CVE-2022-26485).

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape (CVE-2022-26486).

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free (CVE-2022-26485).

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape (CVE-2022-26486).

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 91.6.1 ESR (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird 91.6.2 (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

These are all security issues fixed in the MozillaThunderbird-91.7.0-1.1 package on the GA media of openSUSE Tumbleweed.

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 91.6.1 ESR (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 91.6.1 ESR (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 91.6.1 ESR (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird 91.6.2 (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 91.7.0 ESR (bsc#1196900):

• CVE-2022-26383: Browser window spoof using fullscreen mode
• CVE-2022-26384: iframe allow-scripts sandbox bypass
• CVE-2022-26387: Time-of-check time-of-use bug when verifying add-on signatures
• CVE-2022-26381: Use-after-free in text reflows
• CVE-2022-26386: Temporary files downloaded to /tmp and accessible by other local users

Firefox Extended Support Release 91.6.1 ESR (bsc#1196809):

• CVE-2022-26485: Use-after-free in XSLT parameter processing
• CVE-2022-26486: Use-after-free in WebGPU IPC Framework

A use-after-free was discovered when removing an XSLT parameter in some circumstances. If a user were tricked into opening a specially crafted website, an attacker could exploit this to cause a denial of service, or execute arbitrary code. (CVE-2022-26485)

A use-after-free was discovered in the WebGPU IPC framework. If a user were tricked into opening a specially crafted website, an attacker could exploit this to cause a denial of service, or execute arbitrary code. (CVE-2022-26486)