CVE-2021-29976
Description
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.
Risk Information
Base Score
8.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.59
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2021-29970,CVE-2021-30547,CVE-2021-29976 are fixed in Mozilla Firefox ESR (78.12.0) | Windows |
| Vulnerabilities CVE-2021-29970,CVE-2021-30547,CVE-2021-29976 are fixed in Mozilla Firefox ESR (x64) (78.12.0) | Windows |
| Multiple vulnerabilities fixed in Mozilla Firefox (90.0) | Windows |
| Multiple vulnerabilities fixed in Mozilla Firefox (x64) (90.0) | Windows |
| Vulnerabilities CVE-2021-29969,CVE-2021-29970,CVE-2021-30547,CVE-2021-29976 are fixed in Mozilla Thunderbird (x64) (78.12.0) | Windows |
| Vulnerabilities CVE-2021-29969,CVE-2021-29970,CVE-2021-30547,CVE-2021-29976 are fixed in Mozilla Thunderbird (78.12.0) | Windows |
| Multiple Vulnerabilities are affected in Mozilla Firefox ESR (x64) 78.6.0 | Windows |
| Multiple Vulnerabilities are affected in Mozilla Firefox ESR 78.6.0 | Windows |
| Vulnerability CVE-2021-29970,CVE-2021-29976 are affected in Mozilla Thunderbird 78.11.0 | Windows |
| Multiple Vulnerabilities are affected in Mozilla Thunderbird 78.9.1 | Windows |
| Multiple vulnerabilities are fixed in Mozilla Firefox For Mac (90.0) | Mac |
| Multiple vulnerabilities are fixed in Mozilla Firefox For Mac (90.0.2) | Mac |
| Vulnerabilities CVE-2021-29969,CVE-2021-29970,CVE-2021-30547,CVE-2021-29976 are fixed in Mozilla Thunderbird For Mac (78.12.0) | Mac |
| Vulnerabilities CVE-2021-29970,CVE-2021-30547,CVE-2021-29976 are fixed in Mozilla Firefox ESR for MAC 78.12.0 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 68.0.1 | Mac |
| Multiple Vulnerabilities are affected in Firefox ESR for Mac 68.0.1 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Thunderbird for Mac 78.9.1 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 89.0 | Mac |
| firefox-esr security update(DSA-4939-1) firefox-esr_78.12.0esr-1~deb10u1_i386.deb | Linux |
| firefox-esr security update(DSA-4939-1) firefox-esr_78.12.0esr-1~deb10u1_amd64.deb | Linux |
| (RHSA-2021:2741) firefox security update firefox-78.12.0-1.el7_9.i686.rpm | Linux |
| (RHSA-2021:2741) firefox security update firefox-78.12.0-1.el7_9.x86_64.rpm | Linux |
| SUSE-SU-2021:2389-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-78.12.0-112.65.1.x86_64.rpm | Linux |
| SUSE-SU-2021:2389-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debuginfo-78.12.0-112.65.1.x86_64.rpm | Linux |
| SUSE-SU-2021:2389-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debugsource-78.12.0-112.65.1.x86_64.rpm | Linux |
| SUSE-SU-2021:2389-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-devel-78.12.0-112.65.1.x86_64.rpm | Linux |
| SUSE-SU-2021:2389-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-translations-common-78.12.0-112.65.1.x86_64.rpm | Linux |
| thunderbird security update(DSA-4940-1) thunderbird_78.12.0-1~deb10u1_i386.deb | Linux |
| thunderbird security update(DSA-4940-1) thunderbird_78.12.0-1~deb10u1_amd64.deb | Linux |
| Firefox update (ELSA-2021-2743) firefox-78.12.0-1.0.1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2743) firefox security update firefox-78.12.0-1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2743) firefox security update firefox-debugsource-78.12.0-1.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2881) thunderbird security update thunderbird-78.12.0-2.el7_9.x86_64.rpm | Linux |
| Thunderbird update (ELSA-2021-2881) thunderbird-78.12.0-2.0.1.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:2883) thunderbird security update thunderbird-78.12.0-3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:2883) thunderbird security update thunderbird-debugsource-78.12.0-3.el8_4.x86_64.rpm | Linux |
| Thunderbird update (ELSA-2021-2883) thunderbird-78.12.0-3.0.1.el8_4.x86_64.rpm | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5058-1) thunderbird_78.13.0+build1-0ubuntu0.18.04.1_i386.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5058-1) thunderbird_78.13.0+build1-0ubuntu0.18.04.1_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5058-1) thunderbird_78.13.0+build1-0ubuntu0.20.04.2_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-5058-1) thunderbird_78.13.0+build1-0ubuntu0.21.04.2_amd64.deb | Linux |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-320504 | Mozilla Firefox ESR (78.12.0) |
| PATCH-320505 | Mozilla Firefox ESR (x64) (78.12.0) |
| PATCH-320502 | Mozilla Firefox (90.0) |
| PATCH-320503 | Mozilla Firefox (x64) (90.0) |
| PATCH-320518 | Mozilla Thunderbird (x64) (78.12.0) |
| PATCH-320517 | Mozilla Thunderbird (78.12.0) |
| PATCH-607000 | Mozilla Firefox For Mac (124.0) |
| PATCH-607000 | Mozilla Firefox For Mac (124.0) |
| PATCH-611353 | Mozilla Thunderbird For Mac (128.12.0) |
| PATCH-607001 | Mozilla Firefox ESR for MAC 115.9.0 |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611808 | Mozilla Firefox ESR for MAC 128.14.0 |
| PATCH-611807 | Mozilla Thunderbird For Mac (142.0) |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234