CVE-2020-26951
Description
A parsing and event loading mismatch in Firefoxs SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Risk Information
Base Score
6.1
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score
Exploitation Probability
0.433
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