CVE-2020-26959
Description
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
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
0.495
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Multiple Vulnerabilities are affected in Mozilla Firefox 82.0 | Windows |
| Multiple vulnerabilities are fixed in Mozilla Firefox For Mac (83.0) | Mac |
| Multiple vulnerabilities are fixed in Mozilla Thunderbird For Mac (78.5.0) | Mac |
| Multiple vulnerabilities are fixed in Mozilla Thunderbird For Mac (78.5.1) | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 82.0 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Thunderbird for Mac 78.4.0 | Mac |
| Multiple Vulnerabilities are affected in Firefox ESR for Mac 78.4.0 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 78.4.0 | Mac |
| Multiple vulnerabilities are fixed in Mozilla Firefox For Mac 78.5 | Mac |
| firefox-esr security update(DSA-4793-1) firefox-esr_78.5.0esr-1~deb10u1_i386.deb | Linux |
| firefox-esr security update(DSA-4793-1) firefox-esr_78.5.0esr-1~deb10u1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4637-1) firefox_83.0+build2-0ubuntu0.18.04.2_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4637-1) firefox_83.0+build2-0ubuntu0.18.04.2_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4637-1) firefox_83.0+build2-0ubuntu0.20.04.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4637-1) firefox_83.0+build2-0ubuntu0.20.10.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4637-2) firefox_83.0+build2-0ubuntu0.16.04.3_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4637-2) firefox_83.0+build2-0ubuntu0.16.04.3_amd64.deb | Linux |
| thunderbird security update(DSA-4796-1) thunderbird_78.5.0-1~deb10u1_i386.deb | Linux |
| thunderbird security update(DSA-4796-1) thunderbird_78.5.0-1~deb10u1_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4647-1) thunderbird_78.5.0+build3-0ubuntu0.20.10.1_amd64.deb | Linux |
| SUSE-SU-2020:3548-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-78.5.0-112.36.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3548-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debuginfo-78.5.0-112.36.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3548-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debugsource-78.5.0-112.36.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3548-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-devel-78.5.0-112.36.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3548-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-translations-common-78.5.0-112.36.1.x86_64.rpm | Linux |
| (RHSA-2020:5235) thunderbird security update thunderbird-78.5.0-1.el7_9.x86_64.rpm | Linux |
| (RHSA-2020:5236) thunderbird security update thunderbird-78.5.0-1.el8_3.x86_64.rpm | Linux |
| (RHSA-2020:5236) thunderbird security update thunderbird-debugsource-78.5.0-1.el8_3.x86_64.rpm | Linux |
| (RHSA-2020:5237) firefox security update firefox-78.5.0-1.el8_3.x86_64.rpm | Linux |
| (RHSA-2020:5237) firefox security update firefox-debugsource-78.5.0-1.el8_3.x86_64.rpm | Linux |
| (RHSA-2020:5238) thunderbird security update thunderbird-78.5.0-1.el6_10.i686.rpm | Linux |
| (RHSA-2020:5238) thunderbird security update thunderbird-78.5.0-1.el6_10.x86_64.rpm | Linux |
| (RHSA-2020:5239) firefox security update firefox-78.5.0-1.el7_9.i686.rpm | Linux |
| (RHSA-2020:5239) firefox security update firefox-78.5.0-1.el7_9.x86_64.rpm | Linux |
| (RHSA-2020:5257) firefox security update firefox-78.5.0-1.el6_10.i686.rpm | Linux |
| (RHSA-2020:5257) firefox security update firefox-78.5.0-1.el6_10.x86_64.rpm | Linux |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-343015 | Mozilla Firefox (132.0.2) |
| PATCH-607000 | Mozilla Firefox For Mac (124.0) |
| PATCH-611353 | Mozilla Thunderbird For Mac (128.12.0) |
| PATCH-611353 | Mozilla Thunderbird For Mac (128.12.0) |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611807 | Mozilla Thunderbird For Mac (142.0) |
| PATCH-611808 | Mozilla Firefox ESR for MAC 128.14.0 |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-612783 | Mozilla Firefox For Mac (145.0.1) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234