CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2023-6858 – Mozilla: Heap buffer overflow in <code>nsTextFragment</code>
https://notcve.org/view.php?id=CVE-2023-6858
Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Firefox era susceptible a un desbordamiento de búfer en `nsTextFragment` debido a un manejo insuficiente de OOM. Esta vulnerabilidad afecta a Firefox ESR <115.6, Thunderbird <115.6 y Firefox <121. The Mozilla Foundation Security Advisory describes this flaw as: Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. • https://bugzilla.mozilla.org/show_bug.cgi?id=1826791 https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5581 https://www.debian.org/security/2023/dsa-5582 https://www.mozilla.org/security/advisories/mfsa2023-54 https://www.mozilla.org/security/advisories/mfsa2023-55 https://www.mozilla.org/security/advisories/mf • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 6.1EPSS: 0%CPEs: 9EXPL: 0CVE-2023-6857 – Mozilla: Symlinks may resolve to smaller than expected buffers
https://notcve.org/view.php?id=CVE-2023-6857
When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Al resolver un enlace simbólico, puede ocurrir una ejecución en la que el búfer pase a "readlink" en realidad puede ser más pequeño de lo necesario. *Este error sólo afecta a Firefox en sistemas operativos basados en Unix (Android, Linux, MacOS). Windows no se ve afectado.* Esta vulnerabilidad afecta a Firefox ESR < 115.6, Thunderbird < 115.6 y Firefox < 121. • https://bugzilla.mozilla.org/show_bug.cgi?id=1796023 https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5581 https://www.debian.org/security/2023/dsa-5582 https://www.mozilla.org/security/advisories/mfsa2023-54 https://www.mozilla.org/security/advisories/mfsa2023-55 https://www.mozilla.org/security/advisories/mf • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-363: Race Condition Enabling Link Following •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2023-6856 – Mozilla: Heap-buffer-overflow affecting WebGL <code>DrawElementsInstanced</code> method with Mesa VM driver
https://notcve.org/view.php?id=CVE-2023-6856
The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. El método WebGL `DrawElementsInstanced` era susceptible a un desbordamiento de búfer cuando se usaba en sistemas con el controlador Mesa VM. Este problema podría permitir a un atacante realizar la ejecución remota de código y escapar de la zona de pruebas. • https://bugzilla.mozilla.org/show_bug.cgi?id=1843782 https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5581 https://www.debian.org/security/2023/dsa-5582 https://www.mozilla.org/security/advisories/mfsa2023-54 https://www.mozilla.org/security/advisories/mfsa2023-55 https://www.mozilla.org/security/advisories/mf • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2023-6212 – Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5
https://notcve.org/view.php?id=CVE-2023-6212
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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 < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Errores de seguridad de la memoria presentes en Firefox 119, Firefox 115.4 y Thunderbird 115.4. Algunos de estos errores mostraron evidencia de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haberse aprovechado para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1658432%2C1820983%2C1829252%2C1856072%2C1856091%2C1859030%2C1860943%2C1862782 https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html https://www.debian.org/security/2023/dsa-5561 https://www.mozilla.org/security/advisories/mfsa2023-49 https://www.mozilla.org/security/advisories/mfsa2023-50 https://www.mozilla.org/security/advisories/mfsa2023-52 https://access.redhat.com/se • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 6.5EPSS: 0%CPEs: 6EXPL: 0CVE-2023-6209 – Mozilla: Incorrect parsing of relative URLs starting with "///"
https://notcve.org/view.php?id=CVE-2023-6209
Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Las URL relativas que comenzaban con tres barras se analizaban incorrectamente y se podía utilizar una parte de path-traversal "/../" en la ruta para anular el host especificado. Esto podría contribuir a problemas de seguridad en los sitios web. • https://bugzilla.mozilla.org/show_bug.cgi?id=1858570 https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html https://www.debian.org/security/2023/dsa-5561 https://www.mozilla.org/security/advisories/mfsa2023-49 https://www.mozilla.org/security/advisories/mfsa2023-50 https://www.mozilla.org/security/advisories/mfsa2023-52 https://access.redhat.com/security/cve/CVE-2023-6209 https://bugzilla.redhat.com/ • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •