CVE-2025-9182

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

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)

• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)

• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)

• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)

• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)

• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)

• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)

• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)

• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)

• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)

• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)

• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)

• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)

• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)

• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)

• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)

• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)

• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)

• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)

• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)

• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.

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

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)
• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)
• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)
• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)
• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)
• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)
• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)
• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)
• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)
• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)
• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)
• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)
• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)
• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)
• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)
• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)
• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)
• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)
• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)
• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)
• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Security Fix(es):

• firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182)
• thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179)
• thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180)
• thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181)
• thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

• rebase from Thunderbird 115.4.1 to 140.12.0 ESR

• CVE-2022-3032: When receiving an HTML email that contained an iframe element, which used a srcdoc attribute to define the inner HTML document, remote objects specified in the nested document, for example images or videos, were not blocked

• CVE-2023-0430: Certificate OCSP revocation status was not checked when verifying S/Mime signatures

• CVE-2023-0547: OCSP revocation status of recipient certificates was not checked when sending S/Mime encrypted email, and revoked certificates would be accepted

• CVE-2023-0616: If a MIME email combines OpenPGP and OpenPGP MIME data in a certain way Thunderbird repeatedly attempts to process and display the message, which could cause Thunderbird's user interface to lock up and no longer respond to the user's actions

• CVE-2023-1945: Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash

• CVE-2023-4573: When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash

• CVE-2023-4574: When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished

• CVE-2023-4575: When creating a callback over IPC for showing the File Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished

• CVE-2023-4577: When UpdateRegExpStatics attempted to access initialStringHeap it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash

• CVE-2023-4578: When calling JS::CheckRegExpSyntax a Syntax Error could have been set which would end in calling convertToRuntimeErrorAndClear. A path in the function could attempt to allocate memory when none is available which would have caused a newly created Out of Memory exception to be mishandled as a Syntax Error

• CVE-2023-4580: Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information

• CVE-2023-4581: Excel .xll add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm

• CVE-2023-5169: A compromised content process could have provided malicious data in a PathRecording resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process

• CVE-2023-5171: During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash

• CVE-2023-5724: Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash

• CVE-2023-5725: A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data

• CVE-2023-5732: An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited

• CVE-2023-6204: On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element

• CVE-2023-6205: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash

• CVE-2023-6206: The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts

• CVE-2023-6207: Ownership…

These are all security issues fixed in the firefox-esr-140.2.0-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the MozillaThunderbird-140.2.0-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the MozillaFirefox-142.0.1-1.1 package on the GA media of openSUSE Tumbleweed.

This update for MozillaThunderbird fixes the following issues:

Updated to Mozilla Thunderbird 140.2 MFSA 2025-72 (bsc#1248162):

• CVE-2025-9179: Sandbox escape due to invalid pointer in the Audio/Video: GMP component
• CVE-2025-9180: Same-origin policy bypass in the Graphics: Canvas2D component
• CVE-2025-9181: Uninitialized memory in the JavaScript Engine component
• CVE-2025-9182: Denial-of-service due to out-of-memory in the Graphics: WebRender component
• CVE-2025-9184: Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142
• CVE-2025-9185: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

Other fixes:

• Users were unable to use Fastmail calendars due to missing OAuth settings
• Account setup error handling was broken for Account hub
• Menu bar was hidden after updating from 128esr to 140esr

This update for MozillaFirefox fixes the following issues:

• Firefox Extended Support Release 140.2.0 ESR MFSA 2025-67 (bsc#1248162)

  • CVE-2025-9179 (bmo#1979527): Sandbox escape due to invalid pointer in the Audio/Video: GMP component
  • CVE-2025-9180 (bmo#1979782): Same-origin policy bypass in the Graphics: Canvas2D component
  • CVE-2025-9181 (bmo#1977130): Uninitialized memory in the JavaScript Engine component
  • CVE-2025-9182 (bmo#1975837): Denial-of-service due to out-of-memory in the Graphics: WebRender component
  • CVE-2025-9183 (bmo#1976102): Spoofing issue in the Address Bar component
  • CVE-2025-9184 (bmo#1929482, bmo#1976376, bmo#1979163, bmo#1979955): Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142
  • CVE-2025-9185 (bmo#1970154, bmo#1976782, bmo#1977166): Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142
  • CVE-2025-9187 (bmo#1825621, bmo#1970079, bmo#1976736, bmo#1979072): Memory safety bugs fixed in Firefox 142 and Thunderbird 142

• Other fixes:

  • Ensure the use of the correct file-picker on KDE (bsc#1226112)

This update for MozillaFirefox fixes the following issues:

• Firefox Extended Support Release 140.2.0 ESR MFSA 2025-67 (bsc#1248162)

  • CVE-2025-9179 (bmo#1979527): Sandbox escape due to invalid pointer in the Audio/Video: GMP component
  • CVE-2025-9180 (bmo#1979782): Same-origin policy bypass in the Graphics: Canvas2D component
  • CVE-2025-9181 (bmo#1977130): Uninitialized memory in the JavaScript Engine component
  • CVE-2025-9182 (bmo#1975837): Denial-of-service due to out-of-memory in the Graphics: WebRender component
  • CVE-2025-9183 (bmo#1976102): Spoofing issue in the Address Bar component
  • CVE-2025-9184 (bmo#1929482, bmo#1976376, bmo#1979163, bmo#1979955): Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142
  • CVE-2025-9185 (bmo#1970154, bmo#1976782, bmo#1977166): Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142
  • CVE-2025-9187 (bmo#1825621, bmo#1970079, bmo#1976736, bmo#1979072): Memory safety bugs fixed in Firefox 142 and Thunderbird 142

• Other fixes:

  • Ensure the use of the correct file-picker on KDE (bsc#1226112)