Debian Thunderbird vulnerabilities

CVE-2022-45406 [CRITICAL] CVE-2022-45406: firefox - If an out-of-memory condition occurred when creating a JavaScript global, a Java... If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107. Scope: local sid: resolved (fixed in 107.0-

CVE-2023-4056 [CRITICAL] CVE-2023-4056: firefox - Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13... Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. 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 < 116, Firefox ESR < 102.14, and Firefox ESR < 1

CVE-2019-15903 [HIGH] CVE-2019-15903: chromium - In libexpat before 2.2.8, crafted XML input could fool the parser into changing ... In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read. Scope: local bookworm: resolved bullseye: resolved forky: resolved sid: resolved trixie: resolved

CVE-2022-26384 [CRITICAL] CVE-2022-26384: firefox - If an attacker could control the contents of an iframe sandboxed with <code>allo... If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7. Scope: local sid: resolved (fixed in 98.0-1)

CVE-2025-11710 [CRITICAL] CVE-2025-11710: firefox - A compromised web process using malicious IPC messages could have caused the pri... A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. Scope: local sid: resolved (fixed in 144.0-1)

CVE-2026-4371 [HIGH] CVE-2026-4371: thunderbird - A malicious mail server could send malformed strings with negative lengths, caus... A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability affects Thunderbird < 149 and Thunderbir

CVE-2018-5129 [HIGH] CVE-2018-5129: firefox - A lack of parameter validation on IPC messages results in a potential out-of-bou... A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59. Scope: local sid: resolved (fixed in 59.0-1)

CVE-2020-26971 [HIGH] CVE-2020-26971: firefox - Certain blit values provided by the user were not properly constrained leading t... Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Scope: local sid: resolved (fixed in 84.0-1)

CVE-2020-15678 [HIGH] CVE-2020-15678: firefox - When recursing through graphical layers while scrolling, an iterator may have be... When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3. Scope: local sid: reso

CVE-2021-23994 [HIGH] CVE-2021-23994: firefox - A WebGL framebuffer was not initialized early enough, resulting in memory corrup... A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88. Scope: local sid: resolved (fixed in 88.0-1)

CVE-2020-26973 [HIGH] CVE-2020-26973: firefox - Certain input to the CSS Sanitizer confused it, resulting in incorrect component... Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Scope: local sid: resolved (fixed in 84.0-1)

CVE-2020-35113 [HIGH] CVE-2020-35113: firefox - Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. 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 < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Scope: local sid: resolved (fixed

CVE-2020-26960 [HIGH] CVE-2020-26960: firefox - If the Compact() method was called on an nsTArray, the array could have been rea... If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. Scope: local sid: resolved (fixed in 83.0-1)

CVE-2020-26974 [HIGH] CVE-2020-26974: firefox - When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object coul... When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Scope: local sid: resolved (fixed in 84.0-1)

CVE-2021-23978 [HIGH] CVE-2021-23978: firefox - Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 < 86, Thunderbird < 78.8, and Firefox ESR < 78.8. Scope: local sid: resolved (fixed

CVE-2020-26968 [HIGH] CVE-2020-26968: firefox - Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. 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 < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. Scope: local sid: resolved (fixed

CVE-2021-23987 [HIGH] CVE-2021-23987: firefox - Mozilla developers and community members reported memory safety bugs present in ... Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. 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 < 78.9, Firefox < 87, and Thunderbird < 78.9. Scope: local

CVE-2021-23964 [HIGH] CVE-2021-23964: firefox - Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. 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 < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Scope: local sid: resolved (fixed

CVE-2021-38500 [HIGH] CVE-2021-38500: firefox - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefo

CVE-2021-29989 [HIGH] CVE-2021-29989: firefox - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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 Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91. Scope: local sid: resolved (fix