critical
CVE-2023-5176
Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high), AlmaLinux (high), Oracle (high), Rocky Linux (high), Ubuntu (medium).
Description
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| alma 9 | firefox, firefox-x11, thunderbird | 115.3.1-1.el9_2.alma.1 and 1 more |
| alpine 3.18 | firefox-esr | 115.3.0-r0 |
| alpine 3.19 | firefox-esr | 115.3.0-r0 |
| alpine 3.20 | firefox-esr | 115.3.0-r0 |
| alpine 3.21 | firefox-esr | 115.3.0-r0 |
| alpine 3.22 | firefox-esr | 115.3.0-r0 |
| alpine 3.23 | firefox-esr | 115.3.0-r0 |
| chainguard | firefox-esr | 118-r0 |
| debian 10 | firefox-esr, thunderbird | 115.3.0esr-1~deb10u1 and 1 more |
| debian 11 | firefox-esr, thunderbird | 115.3.0esr-1~deb11u1 and 1 more |
| debian 12 | firefox-esr, thunderbird | 115.3.0esr-1~deb12u1 and 1 more |
| debian 13 | firefox-esr, thunderbird | 115.3.0esr-1 and 1 more |
Show all 43 entries from 27 sources
| Source | Package | Fixed in |
|---|---|---|
| alma 9 | firefox | 115.3.1-1.el9_2.alma.1 |
| alma 9 | firefox-x11 | 115.3.1-1.el9_2.alma.1 |
| alma 9 | thunderbird | 115.3.1-1.el9_2.alma |
| alpine 3.18 | firefox-esr | 115.3.0-r0 |
| alpine 3.19 | firefox-esr | 115.3.0-r0 |
| alpine 3.20 | firefox-esr | 115.3.0-r0 |
| alpine 3.21 | firefox-esr | 115.3.0-r0 |
| alpine 3.22 | firefox-esr | 115.3.0-r0 |
| alpine 3.23 | firefox-esr | 115.3.0-r0 |
| chainguard | firefox-esr | 118-r0 |
| debian 10 | firefox-esr | 115.3.0esr-1~deb10u1 |
| debian 10 | thunderbird | 1:115.3.1-1~deb10u1 |
| debian 11 | firefox-esr | 115.3.0esr-1~deb11u1 |
| debian 11 | thunderbird | 1:115.3.1-1~deb11u1 |
| debian 12 | firefox-esr | 115.3.0esr-1~deb12u1 |
| debian 12 | thunderbird | 1:115.3.1-1~deb12u1 |
| debian 13 | firefox-esr | 115.3.0esr-1 |
| debian 13 | thunderbird | 1:115.3.0-1 |
| debian 14 | firefox-esr | 115.3.0esr-1 |
| debian 14 | thunderbird | 1:115.3.0-1 |
| echo | firefox-esr | 115.3.0esr-1~deb12u1 |
| echo | thunderbird | 1:115.3.1-1~deb12u1 |
| Oracle Linux 7 | firefox | 115.3.1-1.0.1.el7_9 |
| Oracle Linux 7 | thunderbird | 115.3.1-1.0.1.el7_9 |
| Oracle Linux 8 | firefox | 115.3.1-1.0.1.el8_8 |
| Oracle Linux 8 | thunderbird | 115.3.1-1.0.1.el8_8 |
| Oracle Linux 9 | firefox | 115.3.1-1.0.1.el9_2 |
| Oracle Linux 9 | firefox-x11 | 115.3.1-1.0.1.el9_2 |
| Oracle Linux 9 | thunderbird | 115.3.1-1.0.1.el9_2 |
| rapidfort Oracle Linux 9 | firefox | 0:115.3.1-1.0.1.el9_2 |
| rapidfort Oracle Linux 9 | firefox-x11 | 0:115.3.1-1.0.1.el9_2 |
| rapidfort Oracle Linux 9 | thunderbird | 0:115.3.1-1.0.1.el9_2 |
| rapidfort ubuntu 20.04 | thunderbird | 1:115.3.0+build2-0ubuntu1 |
| rapidfort ubuntu 22.04 | thunderbird | 1:115.3.0+build2-0ubuntu1 |
| rapidfort ubuntu 24.04 | thunderbird | 1:115.3.0+build2-0ubuntu1 |
| Red Hat | firefox | no fix listed |
| Red Hat | thunderbird | no fix listed |
| rocky 8 | thunderbird | 0.0.0 |
| rocky 9 | thunderbird | 0.0.0 |
| ubuntu 20.04 | firefox | 118.0.1+build1-0ubuntu0.20.04.1 |
| ubuntu 20.04 | thunderbird | 1:115.3.1+build1-0ubuntu0.20.04.1 |
| ubuntu 22.04 | thunderbird | 1:115.3.1+build1-0ubuntu0.22.04.2 |
| ubuntu 23.04 | thunderbird | 1:115.3.1+build1-0ubuntu0.23.04.1 |
References
- https://access.redhat.com/errata/RHSA-2023:5435
- https://access.redhat.com/security/cve/CVE-2023-5176
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195
- https://bugzilla.redhat.com/2222652
- https://bugzilla.redhat.com/2240893
- https://bugzilla.redhat.com/2240894
- https://bugzilla.redhat.com/2240896
- https://bugzilla.redhat.com/2241191
All 37 references
- https://bugzilla.redhat.com/show_bug.cgi?id=2222652
- https://bugzilla.redhat.com/show_bug.cgi?id=2240893
- https://bugzilla.redhat.com/show_bug.cgi?id=2240894
- https://bugzilla.redhat.com/show_bug.cgi?id=2240896
- https://bugzilla.redhat.com/show_bug.cgi?id=2241191
- https://creativecommons.org/licenses/by/4.0/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3600
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5169
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5171
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5176
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5217
- https://errata.almalinux.org/9/ALSA-2023-5435.html
- https://errata.rockylinux.org/RLSA-2023:5435
- https://linux.oracle.com/cve/CVE-2023-5176.html
- https://linux.oracle.com/errata/ELSA-2023-5477.html
- https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html
- https://nvd.nist.gov/vuln/detail/CVE-2023-5176
- https://ubuntu.com/security/notices/USN-6404-1
- https://ubuntu.com/security/notices/USN-6405-1
- https://www.cve.org/CVERecord?id=CVE-2023-5176
- https://www.debian.org/security/2023/dsa-5506
- https://www.debian.org/security/2023/dsa-5513
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-41/#CVE-2023-5176
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-42/#CVE-2023-5176
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-43/#CVE-2023-5176
- https://www.mozilla.org/security/advisories/mfsa2023-41/
- https://www.mozilla.org/security/advisories/mfsa2023-42/
- https://www.mozilla.org/security/advisories/mfsa2023-43/