CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2021-29989 – Mozilla: Memory safety bugs fixed in Thunderbird 78.13
https://notcve.org/view.php?id=CVE-2021-29989
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. Los desarrolladores de Mozilla informaron de bugs de seguridad de memoria presentes en Firefox 90 y Firefox ESR 78.12. Algunos de estos bugs mostraron evidencias de corrupción de la memoria y presumimos que con esfuerzo suficiente algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662676%2C1666184%2C1719178%2C1719998%2C1720568 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-33 https://www.mozilla.org/security/advisories/mfsa2021-34 https://www.mozilla.org/security/advisories/mfsa2021-35 https://access.redhat.com/security/cve/CVE-2021-29989 https://bugzilla.redhat.com/show_bug.cgi?id=1992423 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 1CVE-2021-29985 – Mozilla: Use-after-free media channels
https://notcve.org/view.php?id=CVE-2021-29985
A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. Una vulnerabilidad de uso de la memoria previamente liberada en los canales multimedia podría haber conllevado a una corrupción de la memoria y un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 78.13, Thunderbird versiones anteriores a 91, Firefox ESR versiones anteriores a 78.13, y Firefox versiones anteriores a 91. • https://bugzilla.mozilla.org/show_bug.cgi?id=1722083 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-33 https://www.mozilla.org/security/advisories/mfsa2021-34 https://www.mozilla.org/security/advisories/mfsa2021-35 https://www.mozilla.org/security/advisories/mfsa2021-36 https://access.redhat.com/security/cve/CVE-2021-29985 https://bugzilla.redhat.com/show_bug.cgi?id=1992422 • CWE-416: Use After Free •
CVSS: 8.8EPSS: 1%CPEs: 3EXPL: 1CVE-2021-29980 – Mozilla: Uninitialized memory in a canvas object could have led to memory corruption
https://notcve.org/view.php?id=CVE-2021-29980
Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. Una memoria no inicializada en un objeto canvas podría haber causado una función free() incorrecta, conllevando a una corrupción de la memoria y un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 78.13, Thunderbird versiones anteriores a 91, Firefox ESR versiones anteriores a 78.13 y Firefox versiones anteriores a 91. • https://bugzilla.mozilla.org/show_bug.cgi?id=1722204 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-33 https://www.mozilla.org/security/advisories/mfsa2021-34 https://www.mozilla.org/security/advisories/mfsa2021-35 https://www.mozilla.org/security/advisories/mfsa2021-36 https://access.redhat.com/security/cve/CVE-2021-29980 https://bugzilla.redhat.com/show_bug.cgi?id=1992421 • CWE-908: Use of Uninitialized Resource CWE-909: Missing Initialization of Resource •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2021-29976 – Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12
https://notcve.org/view.php?id=CVE-2021-29976
Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. 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 < 78.12, Firefox ESR < 78.12, and Firefox < 90. Los desarrolladores de Mozilla informaron de fallos de seguridad de memoria presentes en el código compartido entre Firefox y Thunderbird. Algunos de estos fallos mostraban evidencias de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1700895%2C1703334%2C1706910%2C1711576%2C1714391 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-28 https://www.mozilla.org/security/advisories/mfsa2021-29 https://www.mozilla.org/security/advisories/mfsa2021-30 https://access.redhat.com/security/cve/CVE-2021-29976 https://bugzilla.redhat.com/show_bug.cgi?id=1982014 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 1CVE-2021-29970 – Mozilla: Use-after-free in accessibility features of a document
https://notcve.org/view.php?id=CVE-2021-29970
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90. Una página web maliciosa podría desencadenar un uso de memoria previamente liberada, una corrupción de memoria y un bloqueo potencialmente explotable. *Este bug sólo podía ser desencadenado cuando la accesibilidad estaba activada. • https://bugzilla.mozilla.org/show_bug.cgi?id=1709976 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-28 https://www.mozilla.org/security/advisories/mfsa2021-29 https://www.mozilla.org/security/advisories/mfsa2021-30 https://access.redhat.com/security/cve/CVE-2021-29970 https://bugzilla.redhat.com/show_bug.cgi?id=1982013 • CWE-416: Use After Free CWE-787: Out-of-bounds Write •