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# Security update for MozillaFirefox

Announcement ID: SUSE-SU-2023:4912-1  
Rating: important  
References:

  * bsc#1217230
  * bsc#1217974

  
Cross-References:

  * CVE-2023-6204
  * CVE-2023-6205
  * CVE-2023-6206
  * CVE-2023-6207
  * CVE-2023-6208
  * CVE-2023-6209
  * CVE-2023-6212
  * CVE-2023-6856
  * CVE-2023-6857
  * CVE-2023-6858
  * CVE-2023-6859
  * CVE-2023-6860
  * CVE-2023-6861
  * CVE-2023-6862
  * CVE-2023-6863
  * CVE-2023-6864
  * CVE-2023-6865
  * CVE-2023-6867

  
CVSS scores:

  * CVE-2023-6204 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  * CVE-2023-6205 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-6206 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2023-6207 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2023-6208 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2023-6209 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  * CVE-2023-6212 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Software Development Kit 12 SP5

  
  
An update that solves 18 vulnerabilities can now be installed.

## Description:

This update for MozillaFirefox fixes the following issues:

  * Firefox Extended Support Release 115.6.0 ESR changelog-entry (bsc#1217974)
  * CVE-2023-6856: Heap-buffer-overflow affecting WebGL DrawElementsInstanced
    method with Mesa VM driver (bmo#1843782).
  * CVE-2023-6857: Symlinks may resolve to smaller than expected buffers
    (bmo#1796023).
  * CVE-2023-6858: Heap buffer overflow in nsTextFragment (bmo#1826791).
  * CVE-2023-6859: Use-after-free in PR_GetIdentitiesLayer (bmo#1840144).
  * CVE-2023-6860: Potential sandbox escape due to VideoBridge lack of texture
    validation (bmo#1854669).
  * CVE-2023-6861: Heap buffer overflow affected nsWindow::PickerOpen(void) in
    headless mode (bmo#1864118).
  * CVE-2023-6862: Use-after-free in nsDNSService (bsc#1868042).
  * CVE-2023-6863: Undefined behavior in ShutdownObserver() (bmo#1868901).
  * CVE-2023-6864: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6,
    and Thunderbird 115.6.
  * CVE-2023-6865: Potential exposure of uninitialized data in
    EncryptingOutputStream (bmo#1864123).
  * CVE-2023-6867: Clickjacking permission prompts using the popup transition
    (bmo#1863863).

  * Fixed: Various security fixes and other quality improvements MFSA 2023-50
    (bsc#1217230)

  * CVE-2023-6204 (bmo#1841050) Out-of-bound memory access in WebGL2
    blitFramebuffer
  * CVE-2023-6205 (bmo#1854076) Use-after-free in MessagePort::Entangled
  * CVE-2023-6206 (bmo#1857430) Clickjacking permission prompts using the
    fullscreen transition
  * CVE-2023-6207 (bmo#1861344) Use-after-free in
    ReadableByteStreamQueueEntry::Buffer
  * CVE-2023-6208 (bmo#1855345) Using Selection API would copy contents into X11
    primary selection.
  * CVE-2023-6209 (bmo#1858570) Incorrect parsing of relative URLs starting with
    "///"
  * CVE-2023-6212 (bmo#1658432, bmo#1820983, bmo#1829252, bmo#1856072,
    bmo#1856091, bmo#1859030, bmo#1860943, bmo#1862782) Memory safety bugs fixed
    in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Software Development Kit 12 SP5  
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2023-4912=1

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4912=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4912=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4912=1

## Package List:

  * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x
    x86_64)
    * MozillaFirefox-debuginfo-115.6.0-112.194.1
    * MozillaFirefox-debugsource-115.6.0-112.194.1
  * SUSE Linux Enterprise Software Development Kit 12 SP5 (noarch)
    * MozillaFirefox-devel-115.6.0-112.194.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    * MozillaFirefox-debuginfo-115.6.0-112.194.1
    * MozillaFirefox-translations-common-115.6.0-112.194.1
    * MozillaFirefox-115.6.0-112.194.1
    * MozillaFirefox-debugsource-115.6.0-112.194.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
    * MozillaFirefox-devel-115.6.0-112.194.1
  * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    * MozillaFirefox-debuginfo-115.6.0-112.194.1
    * MozillaFirefox-translations-common-115.6.0-112.194.1
    * MozillaFirefox-115.6.0-112.194.1
    * MozillaFirefox-debugsource-115.6.0-112.194.1
  * SUSE Linux Enterprise Server 12 SP5 (noarch)
    * MozillaFirefox-devel-115.6.0-112.194.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    * MozillaFirefox-debuginfo-115.6.0-112.194.1
    * MozillaFirefox-translations-common-115.6.0-112.194.1
    * MozillaFirefox-115.6.0-112.194.1
    * MozillaFirefox-debugsource-115.6.0-112.194.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
    * MozillaFirefox-devel-115.6.0-112.194.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-6204.html
  * https://www.suse.com/security/cve/CVE-2023-6205.html
  * https://www.suse.com/security/cve/CVE-2023-6206.html
  * https://www.suse.com/security/cve/CVE-2023-6207.html
  * https://www.suse.com/security/cve/CVE-2023-6208.html
  * https://www.suse.com/security/cve/CVE-2023-6209.html
  * https://www.suse.com/security/cve/CVE-2023-6212.html
  * https://www.suse.com/security/cve/CVE-2023-6856.html
  * https://www.suse.com/security/cve/CVE-2023-6857.html
  * https://www.suse.com/security/cve/CVE-2023-6858.html
  * https://www.suse.com/security/cve/CVE-2023-6859.html
  * https://www.suse.com/security/cve/CVE-2023-6860.html
  * https://www.suse.com/security/cve/CVE-2023-6861.html
  * https://www.suse.com/security/cve/CVE-2023-6862.html
  * https://www.suse.com/security/cve/CVE-2023-6863.html
  * https://www.suse.com/security/cve/CVE-2023-6864.html
  * https://www.suse.com/security/cve/CVE-2023-6865.html
  * https://www.suse.com/security/cve/CVE-2023-6867.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1217230
  * https://bugzilla.suse.com/show_bug.cgi?id=1217974

SUSE: 2023:4912-1 important: MozillaFirefox

December 19, 2023
* bsc#1217230 * bsc#1217974 Cross-References: * CVE-2023-6204

Summary

## This update for MozillaFirefox fixes the following issues: * Firefox Extended Support Release 115.6.0 ESR changelog-entry (bsc#1217974) * CVE-2023-6856: Heap-buffer-overflow affecting WebGL DrawElementsInstanced method with Mesa VM driver (bmo#1843782). * CVE-2023-6857: Symlinks may resolve to smaller than expected buffers (bmo#1796023). * CVE-2023-6858: Heap buffer overflow in nsTextFragment (bmo#1826791). * CVE-2023-6859: Use-after-free in PR_GetIdentitiesLayer (bmo#1840144). * CVE-2023-6860: Potential sandbox escape due to VideoBridge lack of texture validation (bmo#1854669). * CVE-2023-6861: Heap buffer overflow affected nsWindow::PickerOpen(void) in headless mode (bmo#1864118). * CVE-2023-6862: Use-after-free in nsDNSService (bsc#1868042). * CVE-2023-6863: Undefined behavior in ShutdownObserver() (bmo#1868901). * CVE-2023-6864: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. * CVE-2023-6865: Potential exposure of uninitialized data in EncryptingOutputStream (bmo#1864123). * CVE-2023-6867: Clickjacking permission prompts using the popup transition (bmo#1863863). * Fixed: Various security fixes and other quality improvements MFSA 2023-50 (bsc#1217230) * CVE-2023-6204 (bmo#1841050) Out-of-bound memory access in WebGL2 blitFramebuffer * CVE-2023-6205 (bmo#1854076) Use-after-free in MessagePort::Entangled * CVE-2023-6206 (bmo#1857430) Clickjacking permission prompts using the fullscreen transition * CVE-2023-6207 (bmo#1861344) Use-after-free in ReadableByteStreamQueueEntry::Buffer * CVE-2023-6208 (bmo#1855345) Using Selection API would copy contents into X11 primary selection. * CVE-2023-6209 (bmo#1858570) Incorrect parsing of relative URLs starting with "///" * CVE-2023-6212 (bmo#1658432, bmo#1820983, bmo#1829252, bmo#1856072, bmo#1856091, bmo#1859030, bmo#1860943, bmo#1862782) Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5 ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Software Development Kit 12 SP5 zypper in -t patch SUSE-SLE-SDK-12-SP5-2023-4912=1 * SUSE Linux Enterprise High Performance Computing 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4912=1 * SUSE Linux Enterprise Server 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4912=1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4912=1 ## Package List: * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x x86_64) * MozillaFirefox-debuginfo-115.6.0-112.194.1 * MozillaFirefox-debugsource-115.6.0-112.194.1 * SUSE Linux Enterprise Software Development Kit 12 SP5 (noarch) * MozillaFirefox-devel-115.6.0-112.194.1 * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64) * MozillaFirefox-debuginfo-115.6.0-112.194.1 * MozillaFirefox-translations-common-115.6.0-112.194.1 * MozillaFirefox-115.6.0-112.194.1 * MozillaFirefox-debugsource-115.6.0-112.194.1 * SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch) * MozillaFirefox-devel-115.6.0-112.194.1 * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64) * MozillaFirefox-debuginfo-115.6.0-112.194.1 * MozillaFirefox-translations-common-115.6.0-112.194.1 * MozillaFirefox-115.6.0-112.194.1 * MozillaFirefox-debugsource-115.6.0-112.194.1 * SUSE Linux Enterprise Server 12 SP5 (noarch) * MozillaFirefox-devel-115.6.0-112.194.1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64) * MozillaFirefox-debuginfo-115.6.0-112.194.1 * MozillaFirefox-translations-common-115.6.0-112.194.1 * MozillaFirefox-115.6.0-112.194.1 * MozillaFirefox-debugsource-115.6.0-112.194.1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch) * MozillaFirefox-devel-115.6.0-112.194.1

References

* bsc#1217230

* bsc#1217974

Cross-

* CVE-2023-6204

* CVE-2023-6205

* CVE-2023-6206

* CVE-2023-6207

* CVE-2023-6208

* CVE-2023-6209

* CVE-2023-6212

* CVE-2023-6856

* CVE-2023-6857

* CVE-2023-6858

* CVE-2023-6859

* CVE-2023-6860

* CVE-2023-6861

* CVE-2023-6862

* CVE-2023-6863

* CVE-2023-6864

* CVE-2023-6865

* CVE-2023-6867

CVSS scores:

* CVE-2023-6204 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

* CVE-2023-6205 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2023-6206 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

* CVE-2023-6207 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2023-6208 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2023-6209 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

* CVE-2023-6212 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

* SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves 18 vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-6204.html

* https://www.suse.com/security/cve/CVE-2023-6205.html

* https://www.suse.com/security/cve/CVE-2023-6206.html

* https://www.suse.com/security/cve/CVE-2023-6207.html

* https://www.suse.com/security/cve/CVE-2023-6208.html

* https://www.suse.com/security/cve/CVE-2023-6209.html

* https://www.suse.com/security/cve/CVE-2023-6212.html

* https://www.suse.com/security/cve/CVE-2023-6856.html

* https://www.suse.com/security/cve/CVE-2023-6857.html

* https://www.suse.com/security/cve/CVE-2023-6858.html

* https://www.suse.com/security/cve/CVE-2023-6859.html

* https://www.suse.com/security/cve/CVE-2023-6860.html

* https://www.suse.com/security/cve/CVE-2023-6861.html

* https://www.suse.com/security/cve/CVE-2023-6862.html

* https://www.suse.com/security/cve/CVE-2023-6863.html

* https://www.suse.com/security/cve/CVE-2023-6864.html

* https://www.suse.com/security/cve/CVE-2023-6865.html

* https://www.suse.com/security/cve/CVE-2023-6867.html

* https://bugzilla.suse.com/show_bug.cgi?id=1217230

* https://bugzilla.suse.com/show_bug.cgi?id=1217974

Severity
Announcement ID: SUSE-SU-2023:4912-1
Rating: important

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