OPENSUSE-SU-2026:21168-1: MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE
Vulnerability summary
OPENSUSE-SU-2026:21168-1 is a vulnerability in MozillaThunderbird&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.
Advisory lineage
Upstream 56 · Downstream 0 · Related 56Timeline
- 29-06-2026PublishedVulnerability first disclosed.
- 30-06-2026Last modifiedVulnerability information updated.
Description
Security update for MozillaThunderbird This update for MozillaThunderbird fixes the following issues: Changes in MozillaThunderbird: - Mozilla Thunderbird 140.12.0 ESR MFSA 2026-61 (bsc#1268071) * CVE-2026-12289 (bmo#2023443) Privilege escalation in the Graphics: WebRender component * CVE-2026-12290 (bmo#2024852) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12291 (bmo#2036929) Use-after-free in the Networking: HTTP component * CVE-2026-12292 (bmo#2038465) Incorrect boundary conditions in the Web Audio component * CVE-2026-12294 (bmo#2039873) Sandbox escape in the DOM: Workers component * CVE-2026-12295 (bmo#2040160) Sandbox escape in the DOM: Navigation component * CVE-2026-12298 (bmo#2041981) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12296 (bmo#2040515) Sandbox escape in the Security: Process Sandboxing component * CVE-2026-12297 (bmo#2041610) Sandbox escape due to incorrect boundary conditions in the Networking component * CVE-2026-12299 (bmo#2043139) JIT miscompilation in the DOM: Core & HTML component * CVE-2026-12329 (bmo#2044738) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12302 (bmo#2034489) Mitigation bypass in the DOM: Security component * CVE-2026-12304 (bmo#2034944) Same-origin policy bypass in the Networking: Cookies component * CVE-2026-12305 (bmo#2037290) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12306 (bmo#2037323) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12307 (bmo#2038133) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12308 (bmo#2038302) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12309 (bmo#2038476) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12310 (bmo#2039707) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12311 (bmo#2040177) Information disclosure, sandbox escape in the Security: Process Sandboxing component * CVE-2026-12312 (bmo#2040383) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12313 (bmo#2040477) Information disclosure, sandbox escape in the Security: Process Sandboxing component * CVE-2026-12314 (bmo#2041856) Memory safety bug fixed in Thunderbird ESR 140.12 * CVE-2026-12315 (bmo#2042058) Mitigation bypass in the DOM: Security component * CVE-2026-12330 (bmo#2029326) Incorrect boundary conditions in the Internationalization component * CVE-2026-12324 (bmo#2038444) Incorrect boundary conditions in the Graphics: CanvasWebGL component * CVE-2026-12325 (bmo#2039443) Denial-of-service in the Graphics: ImageLib component * CVE-2026-12327 (bmo#2011842, bmo#2023902, bmo#2025512, bmo#2027312, bmo#2029444, bmo#2036571, bmo#2036900, bmo#2036936, bmo#2037995, bmo#2038551, bmo#2040717, bmo#2042724) Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152 * CVE-2026-12328 (bmo#2029402, bmo#2038477, bmo#2039726, bmo#2041373, bmo#2042268, bmo#2042451, bmo#2042782, bmo#2042858, bmo#2042929, bmo#2042965, bmo#2043213) Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152 - Mozilla Thunderbird 140.11.0 ESR MFSA 2026-51 (bsc#1265212) * CVE-2026-8946 (bmo#2029070) Incorrect boundary conditions in the Audio/Video: Web Codecs component * CVE-2026-8388 (bmo#2036978) Incorrect boundary conditions in the JavaScript Engine: JIT component * CVE-2026-8947 (bmo#2038439) Use-after-free in the DOM: Bindings (WebIDL) component * CVE-2026-8391 (bmo#2038575) Other issue in the JavaScript Engine component * CVE-2026-8401 (bmo#2038679) Sandbox escape in the Profile Backup component * CVE-2026-8949 (bmo#1355639) Integer overflow in the Widget: Win32 component * CVE-2026-8950 (bmo#1965430) Same-origin policy bypass in the Networking: HTTP component * CVE-2026-8953 (bmo#2029511) Sandbox escape due to use-after-free in the Disability Access APIs component * CVE-2026-8954 (bmo#2030747) Incorrect boundary conditions, integer overflow in the Audio/Video component * CVE-2026-8955 (bmo#2031064) Privilege escalation in the DOM: Workers component * CVE-2026-8956 (bmo#2032427) Integer overflow in the Networking: JAR component * CVE-2026-8957 (bmo#2033850) Privilege escalation in the Enterprise Policies component * CVE-2026-8958 (bmo#2034713) Information disclosure, sandbox escape in the Security: Process Sandboxing component * CVE-2026-8959 (bmo#2034754) Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component * CVE-2026-8961 (bmo#1962625) Spoofing issue in the Form Autofill component * CVE-2026-8962 (bmo#2004804) Mitigation bypass in the DOM: Security component * CVE-2026-8968 (bmo#2030467) Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component * CVE-2026-8970 (bmo#2032174) Privilege escalation in the Security component * CVE-2026-8974 (bmo#1784128, bmo#1883230, bmo#1983677, bmo#2022390, bmo#2023116, bmo#2023657, bmo#2024255, bmo#2024418, bmo#2024441, bmo#2024447, bmo#2024966, bmo#2025412, bmo#2025467, bmo#2025940, bmo#2025950, bmo#2025956, bmo#2026284, bmo#2027247, bmo#2027255, bmo#2027288, bmo#2027306, bmo#2027322, bmo#2027332, bmo#2027333, bmo#2028266, bmo#2028292, bmo#2028319, bmo#2028526, bmo#2028870, bmo#2028876, bmo#2028882, bmo#2029062, bmo#2029309, bmo#2029414, bmo#2029422, bmo#2029428, bmo#2029447, bmo#2029732, bmo#2029785, bmo#2029793, bmo#2029813, bmo#2029899, bmo#2031028, bmo#2031457, bmo#2032039, bmo#2033610, bmo#2033854, bmo#2034498, bmo#2034628, bmo#2034978, bmo#2035966, bmo#2036668, bmo#2036905, bmo#2036930) Memory safety bugs fixed in Thunderbird 140.11 and Thunderbird 151 * CVE-2026-8975 (bmo#1860195, bmo#2029325, bmo#2029429, bmo#2029910, bmo#2035915, bmo#2038669, bmo#2038678) Memory safety bugs fixed in Thunderbird 140.11 and Thunderbird 151 - Mozilla Thunderbird 140.10.2 MFSA 2026-44 (bsc#1264378) * CVE-2026-8090 (bmo#2034352) Use-after-free in the DOM: Networking component * CVE-2026-8094 (bmo#2035939) Other issue in the WebRTC component * CVE-2026-8092 (bmo#1806249, bmo#2021977, bmo#2022576, bmo#2022722, bmo#2024439, bmo#2027883, bmo#2029463, bmo#2030323, bmo#2032042, bmo#2032043, bmo#2033270, bmo#2033637, bmo#2034422, bmo#2034496, bmo#2035879, bmo#2036516) Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2 - Mozilla Thunderbird 140.10.1 ESR MFSA 2026-39 (bsc#1263110) * CVE-2026-7320 (bmo#2027433) Information disclosure due to incorrect boundary conditions in the Audio/Video component * CVE-2026-7321 (bmo#2029461) Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component * CVE-2026-7322 (bmo#2021904, bmo#2022731, bmo#2027158, bmo#2027733, bmo#2027973, bmo#2027976, bmo#2028231, bmo#2028731, bmo#2028886, bmo#2029067, bmo#2029700, bmo#2029724, bmo#2029806, bmo#2029814, bmo#2030108, bmo#2030111, bmo#2031524, bmo#2031921, bmo#2032040) Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 * CVE-2026-7323 (bmo#2028537, bmo#2029911, bmo#2031121, bmo#2033602) Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Opensuse1 product
- MozillaThunderbird&distro=openSUSE Leap 16.0< 140.12.0-bp160.1.1
1 vendor · 1 product