CVE-2020-26950
Description
In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.
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
46.895
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Firefox (82.0.3) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Firefox (x64) (82.0.3) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Thunderbird (78.4.1) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Thunderbird (x64) (78.4.1) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Firefox ESR (78.4.1) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Firefox ESR (x64) (78.4.1) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Dropbox (78.4.119) | Windows |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Firefox For Mac (82.0.3) | 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 Firefox for Mac 82.0 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Thunderbird for Mac 78.4.0 | Mac |
| Vulnerabilities CVE-2020-26950 are fixed in Mozilla Firefox For Mac 78.4.1 | Mac |
| firefox-esr security update(DSA-4788-1) firefox-esr_78.4.1esr-1~deb10u1_i386.deb | Linux |
| firefox-esr security update(DSA-4788-1) firefox-esr_78.4.1esr-1~deb10u1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4625-1) firefox_82.0.3+build1-0ubuntu0.16.04.1_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4625-1) firefox_82.0.3+build1-0ubuntu0.16.04.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4625-1) firefox_82.0.3+build1-0ubuntu0.18.04.1_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4625-1) firefox_82.0.3+build1-0ubuntu0.18.04.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4625-1) firefox_82.0.3+build1-0ubuntu0.20.04.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4625-1) firefox_82.0.3+build1-0ubuntu0.20.10.1_amd64.deb | Linux |
| (RHSA-2020:5099) firefox security update firefox-78.4.1-1.el7_9.i686.rpm | Linux |
| (RHSA-2020:5099) firefox security update firefox-78.4.1-1.el7_9.x86_64.rpm | Linux |
| (RHSA-2020:5100) firefox security update firefox-78.4.1-1.el8_3.x86_64.rpm | Linux |
| (RHSA-2020:5100) firefox security update firefox-debugsource-78.4.1-1.el8_3.x86_64.rpm | Linux |
| (RHSA-2020:5104) firefox security update firefox-78.4.1-1.el6_10.i686.rpm | Linux |
| (RHSA-2020:5104) firefox security update firefox-78.4.1-1.el6_10.x86_64.rpm | Linux |
| thunderbird security update(DSA-4790-1) thunderbird_78.4.2-1~deb10u1_i386.deb | Linux |
| thunderbird security update(DSA-4790-1) thunderbird_78.4.2-1~deb10u1_amd64.deb | Linux |
| SUSE-SU-2020:3331-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-78.4.1-112.32.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3331-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debuginfo-78.4.1-112.32.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3331-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-debugsource-78.4.1-112.32.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3331-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-devel-78.4.1-112.32.1.x86_64.rpm | Linux |
| SUSE-SU-2020:3331-1(SUSE Linux Enterprise Server 12-SP5 ) MozillaFirefox-translations-common-78.4.1-112.32.1.x86_64.rpm | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4647-1) thunderbird_78.5.0+build3-0ubuntu0.20.10.1_amd64.deb | Linux |
| Vulnerabilities CVE-2020-26950 are fixed in Dropbox (78.4.119) (For Ubuntu) | Linux |
| Vulnerabilities CVE-2020-26950 are fixed in Dropbox (78.4.119) (For Debian) | Linux |
| Vulnerabilities CVE-2020-26950 are fixed in Dropbox (78.4.119) (For Centos) | Linux |
| Vulnerabilities CVE-2020-26950 are fixed in Dropbox (78.4.119) (For RedHat) | Linux |
| Vulnerabilities CVE-2020-26950 are fixed in Dropbox (78.4.119) (For Suse) | Linux |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-316907 | Mozilla Firefox (82.0.3) |
| PATCH-316908 | Mozilla Firefox (x64) (82.0.3) |
| PATCH-316879 | Mozilla Thunderbird (78.4.1) |
| PATCH-316880 | Mozilla Thunderbird (x64) (78.4.1) |
| PATCH-316918 | Mozilla Firefox ESR (78.4.1) |
| PATCH-316919 | Mozilla Firefox ESR (x64) (78.4.1) |
| PATCH-310525 | Dropbox (78.4.119) |
| PATCH-607000 | Mozilla Firefox For Mac (124.0) |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611808 | Mozilla Firefox ESR for MAC 128.14.0 |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611807 | Mozilla Thunderbird For Mac (142.0) |
| 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