CVE-2023-29550 json
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9.
published 2023-06-02 3 y ago modified 2026-10-24 15 d ago also EUVD-2023-33092
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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 < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
Patch / fix
- Mozilla Firefox 112
- Mozilla Focus for Android 112
- Mozilla Firefox ESR 102.10
- Mozilla Firefox for Android 112
- Mozilla Thunderbird 102.10
- firefox-esr Debian 14, Debian 13, Debian 12 102.10.0esr-1
- thunderbird Debian 14, Debian 13, Debian 12 1:102.10.0-1
debian advisories DEBIAN-CVE-2023-29550
- firefox Ubuntu 18.04 LTS 112.0+build2-0ubuntu0.18.04.1
- firefox Ubuntu 20.04 LTS 112.0+build2-0ubuntu0.20.04.1
- mozjs102 Ubuntu 22.04 LTS 102.11.0-0ubuntu0.22.04.1
- thunderbird Ubuntu 18.04 LTS 1:102.10.0+build2-0ubuntu0.18.04.1
- thunderbird Ubuntu 20.04 LTS 1:102.10.0+build2-0ubuntu0.20.04.1
- thunderbird Ubuntu 22.04 LTS 1:102.10.0+build2-0ubuntu0.22.04.1
ubuntu advisories UBUNTU-CVE-2023-29550
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- thunderbird RHEL 8 102.10.0-2.el8_7
- thunderbird RHEL 9 102.10.0-2.el9_1
- firefox RHEL 9 102.10.0-1.el9_1
- firefox-x11 RHEL 9 102.10.0-1.el9_1
- firefox RHEL 8 102.10.0-1.el8_7
- thunderbird RHEL 7 102.10.0-2.el7_9
- firefox RHEL 7 102.10.0-1.el7_9
- thunderbird RHEL 8.1 E4S 102.10.0-2.el8_1
red hat advisories RHSA-2023:1802RHSA-2023:1803RHSA-2023:1788RHSA-2023:1809RHSA-2023:1786RHSA-2023:1810
- MozillaThunderbird SLE Workstation Extension 15 SP4, SLE Module for Package Hub 15 SP4, openSUSE Leap 15.4 102.10.1-150200.8.113.2
- MozillaFirefox SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +9 more 102.10.0-150200.152.84.1
- MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +6 more 102.10.0-112.156.1
- MozillaFirefox SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 102.10.0-150000.150.82.1
suse advisories SUSE-SU-2023:2064-1SUSE-SU-2023:1855-1SUSE-SU-2023:1819-1SUSE-SU-2023:1817-1
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaThunderbird openSUSE Tumbleweed 102.10.0-1.1
- MozillaFirefox openSUSE Tumbleweed 112.0.1-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12852-1openSUSE-SU-2024:12882-1
- thunderbird AlmaLinux 8 102.10.0-2.el8_7.alma
- thunderbird AlmaLinux 9 102.10.0-2.el9_1.alma
- firefox AlmaLinux 9 102.10.0-1.el9_1.alma
- firefox-x11 AlmaLinux 9 102.10.0-1.el9_1.alma
- firefox AlmaLinux 8 102.10.0-1.el8_7.alma
almalinux advisories ALSA-2023:1802ALSA-2023:1809ALSA-2023:1786ALSA-2023:1787
- thunderbird Rocky Linux 9 102.10.0-2.el9_1
- thunderbird Rocky Linux 8 102.10.0-2.el8_7
rocky linux advisories RLSA-2023:1809RLSA-2023:1802
- firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +3 more 102.10.0-r0
alpine advisories ALPINE-CVE-2023-29550
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-29550 updated cvss 8.8
Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10
-
Red Hat Enterprise Linux 6 firefox, thunderbirdaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux AppStream (v. 8) firefox 102.10.0-1.el8_7, thunderbird 102.10.0-2.el8_7fixed: vendor fix RHSA-2023:1787
-
Red Hat Enterprise Linux AppStream (v. 9) firefox 102.10.0-1.el9_1, firefox-x11 102.10.0-1.el9_1, thunderbird 102.10.0-2.el9_1fixed: vendor fix RHSA-2023:1786
-
Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox 102.10.0-1.el8_2, thunderbird 102.10.0-2.el8_2fixed: vendor fix RHSA-2023:1789
-
Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox 102.10.0-1.el8_1, thunderbird 102.10.0-2.el8_1fixed: vendor fix RHSA-2023:1792
-
Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox 102.10.0-1.el8_2, thunderbird 102.10.0-2.el8_2fixed: vendor fix RHSA-2023:1789
-
Red Hat Enterprise Linux AppStream EUS (v.8.4) firefox 102.10.0-1.el8_4, thunderbird 102.10.0-2.el8_4fixed: vendor fix RHSA-2023:1790
-
Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox 102.10.0-1.el8_6, thunderbird 102.10.0-2.el8_6fixed: vendor fix RHSA-2023:1788
show 3 moreshow fewer
-
Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox 102.10.0-1.el9_0, thunderbird 102.10.0-2.el9_0fixed: vendor fix RHSA-2023:1785
-
Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox 102.10.0-1.el8_2, thunderbird 102.10.0-2.el8_2fixed: vendor fix RHSA-2023:1789
-
Red Hat Enterprise Linux Client (v. 7) firefox 102.10.0-1.el7_9, thunderbird 102.10.0-2.el7_9 Red Hat Enterprise Linux Client Optional (v. 7) firefox 102.10.0-1.el7_9 Red Hat Enterprise Linux Server (v. 7) firefox 102.10.0-1.el7_9 Red Hat Enterprise Linux Server Optional (v. 7) firefox 102.10.0-1.el7_9, thunderbird 102.10.0-2.el7_9 Red Hat Enterprise Linux Workstation (v. 7) firefox 102.10.0-1.el7_9, thunderbird 102.10.0-2.el7_9 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 102.10.0-1.el7_9fixed: vendor fix RHSA-2023:1791
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Mozilla Firefox
- Mozilla Focus for Android
- Mozilla Firefox ESR
- Mozilla Firefox for Android
- Mozilla Thunderbird
References
-
mozilla.org
/security/advisories/mfsa2023-15/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2023-14/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2023-13/
vendor-advisory
-
bugzilla.mozilla.org
/buglist.cgi?bug_id=1720594%2C1812498%2C1814217%2C1818357%2C1751945%2C1818762%2C1819493%2C1820389%2C1820602%2C
issue-tracking, not-applicable
Sources
- CVE List CVE-2023-29550
- NVD CVE-2023-29550
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.