Security update for MozillaThunderbird

Announcement ID:	SUSE-SU-2025:02546-1
Release Date:	2025-07-30T07:34:30Z
Rating:	important
References:	bsc#1244670 bsc#1246664
Cross-References:	CVE-2025-6424 CVE-2025-6425 CVE-2025-6426 CVE-2025-6427 CVE-2025-6429 CVE-2025-6430 CVE-2025-6432 CVE-2025-6433 CVE-2025-6434 CVE-2025-6435 CVE-2025-6436 CVE-2025-8027 CVE-2025-8028 CVE-2025-8029 CVE-2025-8030 CVE-2025-8031 CVE-2025-8032 CVE-2025-8033 CVE-2025-8034 CVE-2025-8035 CVE-2025-8036 CVE-2025-8037 CVE-2025-8038 CVE-2025-8039 CVE-2025-8040
CVSS scores:	CVE-2025-6424 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-6424 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-6424 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-6425 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6425 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-6425 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2025-6426 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L CVE-2025-6426 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L CVE-2025-6426 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-6427 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-6427 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVE-2025-6427 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2025-6429 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6429 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVE-2025-6429 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVE-2025-6430 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-6430 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVE-2025-6430 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVE-2025-6432 ( SUSE ): 2.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6432 ( SUSE ): 4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-6432 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L CVE-2025-6433 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6433 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-6433 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-6434 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6434 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-6434 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVE-2025-6435 ( SUSE ): 7.5 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-6435 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-6435 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-6436 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-6436 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-6436 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-8027 ( SUSE ): 7.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N CVE-2025-8027 ( SUSE ): 7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L CVE-2025-8027 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2025-8028 ( SUSE ): 7.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N CVE-2025-8028 ( SUSE ): 7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L CVE-2025-8028 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-8029 ( SUSE ): 2.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-8029 ( SUSE ): 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L CVE-2025-8029 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2025-8030 ( SUSE ): 4.6 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-8030 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVE-2025-8030 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2025-8031 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2025-8031 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2025-8031 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-8032 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-8032 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVE-2025-8032 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2025-8033 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVE-2025-8033 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2025-8033 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2025-8034 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-8034 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-8034 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-8035 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-8035 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-8035 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-8036 ( SUSE ): 7.4 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2025-8036 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2025-8036 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2025-8037 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-8037 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-8037 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2025-8038 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-8038 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-8038 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-8039 ( SUSE ): 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-8039 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVE-2025-8039 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVE-2025-8040 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-8040 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-8040 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products:	openSUSE Leap 15.6 SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Real Time 15 SP7 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP7 SUSE Linux Enterprise Workstation Extension 15 SP6 SUSE Linux Enterprise Workstation Extension 15 SP7 SUSE Package Hub 15 15-SP6 SUSE Package Hub 15 15-SP7

An update that solves 25 vulnerabilities can now be installed.

Description:

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 140.1 (MFSA 2025-63) (bsc#1246664):

• CVE-2025-8027: JavaScript engine only wrote partial return value to stack (bmo#1968423)
• CVE-2025-8028: Large branch table could lead to truncated instruction (bmo#1971581)
• CVE-2025-8029: javascript: URLs executed on object and embed tags (bmo#1928021)
• CVE-2025-8036: DNS rebinding circumvents CORS (bmo#1960834)
• CVE-2025-8037: Nameless cookies shadow secure cookies (bmo#1964767)
• CVE-2025-8030: Potential user-assisted code execution in "Copy as cURL" command (bmo#1968414)
• CVE-2025-8031: Incorrect URL stripping in CSP reports (bmo#1971719)
• CVE-2025-8032: XSLT documents could bypass CSP (bmo#1974407)
• CVE-2025-8038: CSP frame-src was not correctly enforced for paths (bmo#1808979)
• CVE-2025-8039: Search terms persisted in URL bar (bmo#1970997)
• CVE-2025-8033: Incorrect JavaScript state machine for generators (bmo#1973990)
• CVE-2025-8034: Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 (bmo#1970422, bmo#1970422, bmo#1970422, bmo#1970422)
• CVE-2025-8040: Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 (bmo#1975058, bmo#1975058, bmo#1975998, bmo#1975998)
• CVE-2025-8035: Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 (bmo#1975961, bmo#1975961, bmo#1975961)

Update to Mozilla Thunderbird 140.0.1 (MFSA 2025-54) (bsc#1244670):

• CVE-2025-6424: Use-after-free in FontFaceSet (bmo#1966423)
• CVE-2025-6425: The WebCompat WebExtension shipped exposed a persistent UUID (bmo#1717672)
• CVE-2025-6426: No warning when opening executable terminal files on macOS (bmo#1964385)
• CVE-2025-6427: connect-src Content Security Policy restriction could be bypassed (bmo#1966927)
• CVE-2025-6429: Incorrect parsing of URLs could have allowed embedding of youtube.com (bmo#1970658)
• CVE-2025-6430: Content-Disposition header ignored when a file is included in an embed or object tag (bmo#1971140)
• CVE-2025-6432: DNS Requests leaked outside of a configured SOCKS proxy (bmo#1943804)
• CVE-2025-6433: WebAuthn would allow a user to sign a challenge on a webpage with an invalid TLS certificate (bmo#1954033)
• CVE-2025-6434: HTTPS-Only exception screen lacked anti-clickjacking delay (bmo#1955182)
• CVE-2025-6435: Save as in Devtools could download files without sanitizing the extension (bmo#1950056, bmo#1961777)
• CVE-2025-6436: Memory safety bugs fixed in Firefox 140 and Thunderbird 140 (bmo#1941377, bmo#1960948, bmo#1966187, bmo#1966505, bmo#1970764)

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:

• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2025-2546=1
• SUSE Package Hub 15 15-SP6
  zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-2546=1
• SUSE Package Hub 15 15-SP7
  zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-2546=1
• SUSE Linux Enterprise Workstation Extension 15 SP6
  zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-2546=1
• SUSE Linux Enterprise Workstation Extension 15 SP7
  zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-2546=1

Package List:

• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • MozillaThunderbird-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-common-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-other-140.1.0-150200.8.230.1
  • MozillaThunderbird-debugsource-140.1.0-150200.8.230.1
  • MozillaThunderbird-debuginfo-140.1.0-150200.8.230.1
• SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
  • MozillaThunderbird-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-common-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-other-140.1.0-150200.8.230.1
  • MozillaThunderbird-debugsource-140.1.0-150200.8.230.1
  • MozillaThunderbird-debuginfo-140.1.0-150200.8.230.1
• SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
  • MozillaThunderbird-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-common-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-other-140.1.0-150200.8.230.1
  • MozillaThunderbird-debugsource-140.1.0-150200.8.230.1
  • MozillaThunderbird-debuginfo-140.1.0-150200.8.230.1
• SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
  • MozillaThunderbird-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-common-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-other-140.1.0-150200.8.230.1
  • MozillaThunderbird-debugsource-140.1.0-150200.8.230.1
  • MozillaThunderbird-debuginfo-140.1.0-150200.8.230.1
• SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
  • MozillaThunderbird-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-common-140.1.0-150200.8.230.1
  • MozillaThunderbird-translations-other-140.1.0-150200.8.230.1
  • MozillaThunderbird-debugsource-140.1.0-150200.8.230.1
  • MozillaThunderbird-debuginfo-140.1.0-150200.8.230.1

References:

• https://www.suse.com/security/cve/CVE-2025-6424.html
• https://www.suse.com/security/cve/CVE-2025-6425.html
• https://www.suse.com/security/cve/CVE-2025-6426.html
• https://www.suse.com/security/cve/CVE-2025-6427.html
• https://www.suse.com/security/cve/CVE-2025-6429.html
• https://www.suse.com/security/cve/CVE-2025-6430.html
• https://www.suse.com/security/cve/CVE-2025-6432.html
• https://www.suse.com/security/cve/CVE-2025-6433.html
• https://www.suse.com/security/cve/CVE-2025-6434.html
• https://www.suse.com/security/cve/CVE-2025-6435.html
• https://www.suse.com/security/cve/CVE-2025-6436.html
• https://www.suse.com/security/cve/CVE-2025-8027.html
• https://www.suse.com/security/cve/CVE-2025-8028.html
• https://www.suse.com/security/cve/CVE-2025-8029.html
• https://www.suse.com/security/cve/CVE-2025-8030.html
• https://www.suse.com/security/cve/CVE-2025-8031.html
• https://www.suse.com/security/cve/CVE-2025-8032.html
• https://www.suse.com/security/cve/CVE-2025-8033.html
• https://www.suse.com/security/cve/CVE-2025-8034.html
• https://www.suse.com/security/cve/CVE-2025-8035.html
• https://www.suse.com/security/cve/CVE-2025-8036.html
• https://www.suse.com/security/cve/CVE-2025-8037.html
• https://www.suse.com/security/cve/CVE-2025-8038.html
• https://www.suse.com/security/cve/CVE-2025-8039.html
• https://www.suse.com/security/cve/CVE-2025-8040.html
• https://bugzilla.suse.com/show_bug.cgi?id=1244670
• https://bugzilla.suse.com/show_bug.cgi?id=1246664