CVE-2023-37201 json
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.
published 2023-07-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-41121
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
Patch / fix
- Mozilla Firefox 115
- Mozilla Firefox ESR 102.13
- Mozilla Thunderbird 102.13
- firefox-esr Debian 12 102.13.0esr-1~deb12u1
- firefox-esr Debian 14, Debian 13 102.13.0esr-1
- thunderbird Debian 12 1:102.13.0-1~deb12u1
- thunderbird Debian 14, Debian 13 1:102.13.0-1
debian advisories DEBIAN-CVE-2023-37201
- firefox Ubuntu 20.04 LTS 115.0+build2-0ubuntu0.20.04.3
- thunderbird Ubuntu 20.04 LTS 1:102.13.0+build1-0ubuntu0.20.04.1
- thunderbird Ubuntu 22.04 LTS 1:102.13.0+build1-0ubuntu0.22.04.1
ubuntu advisories UBUNTU-CVE-2023-37201
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
- firefox RHEL 9 102.13.0-2.el9_2
- firefox-x11 RHEL 9 102.13.0-2.el9_2
- thunderbird RHEL 7 102.13.0-2.el7_9
- thunderbird RHEL 9 102.13.0-2.el9_2
- firefox RHEL 8 102.13.0-2.el8_8
- thunderbird RHEL 8 102.13.0-2.el8_8
- firefox RHEL 7 102.13.0-2.el7_9
- thunderbird RHEL 9.0 EUS 102.13.0-2.el9_0
red hat advisories RHSA-2023:4071RHSA-2023:4066RHSA-2023:4062RHSA-2023:4070RHSA-2023:4075RHSA-2023:4064
- MozillaFirefox-branding-SLE SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +11 more 115-150200.9.13.1
- MozillaFirefox SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +11 more 115.0-150200.152.93.1
- MozillaFirefox-branding-SLE SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +5 more 115-35.12.2
- MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +6 more 115.0-112.165.1
- MozillaFirefox-branding-SLE SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 115-150000.4.25.1
- MozillaFirefox SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 115.0-150000.150.91.1
suse advisories SUSE-SU-2023:2886-1SUSE-SU-2023:2850-1SUSE-SU-2023:2849-1
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 115.0-1.1
- MozillaThunderbird openSUSE Tumbleweed 102.13.0-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:13037-1openSUSE-SU-2024:13040-1
- thunderbird AlmaLinux 8 102.13.0-2.el8_8.alma
- thunderbird AlmaLinux 9 102.13.0-2.el9_2.alma
- firefox AlmaLinux 9 102.13.0-2.el9_2.alma
- firefox-x11 AlmaLinux 9 102.13.0-2.el9_2.alma
- firefox AlmaLinux 8 102.13.0-2.el8_8.alma
almalinux advisories ALSA-2023:4063ALSA-2023:4064ALSA-2023:4071ALSA-2023:4076
- thunderbird Rocky Linux 8 102.13.0-2.el8_8
- firefox Rocky Linux 8 102.13.0-2.el8_8
- firefox Rocky Linux 9 102.13.0-2.el9_2
rocky linux advisories RLSA-2023:4063RLSA-2023:4076RLSA-2023:4071
- firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +3 more 115.0-r0
alpine advisories ALPINE-CVE-2023-37201
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-2023-37201 updated cvss 8.8
Mozilla: Use-after-free in WebRTC certificate generation
-
Red Hat Enterprise Linux 6 firefox, thunderbirdaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux AppStream (v. 8) firefox 102.13.0-2.el8_8, thunderbird 102.13.0-2.el8_8fixed: vendor fix RHSA-2023:4076
-
Red Hat Enterprise Linux AppStream (v. 9) firefox 102.13.0-2.el9_2, firefox-x11 102.13.0-2.el9_2, thunderbird 102.13.0-2.el9_2fixed: vendor fix RHSA-2023:4071
-
Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox 102.13.0-2.el8_2, thunderbird 102.13.0-2.el8_2fixed: vendor fix RHSA-2023:4070
-
Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox 102.13.0-2.el8_4, thunderbird 102.13.0-2.el8_4fixed: vendor fix RHSA-2023:4075
-
Red Hat Enterprise Linux AppStream E4S (v. 8.1) firefox 102.13.0-2.el8_1, thunderbird 102.13.0-2.el8_1fixed: vendor fix RHSA-2023:4072
-
Red Hat Enterprise Linux AppStream E4S (v. 8.2) firefox 102.13.0-2.el8_2, thunderbird 102.13.0-2.el8_2fixed: vendor fix RHSA-2023:4070
-
Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox 102.13.0-2.el8_4, thunderbird 102.13.0-2.el8_4fixed: vendor fix RHSA-2023:4075
show 5 moreshow fewer
-
Red Hat Enterprise Linux AppStream EUS (v.8.6) firefox 102.13.0-2.el8_6, thunderbird 102.13.0-2.el8_6fixed: vendor fix RHSA-2023:4069
-
Red Hat Enterprise Linux AppStream EUS (v.9.0) firefox 102.13.0-2.el9_0, thunderbird 102.13.0-2.el9_0fixed: vendor fix RHSA-2023:4073
-
Red Hat Enterprise Linux AppStream TUS (v. 8.2) firefox 102.13.0-2.el8_2, thunderbird 102.13.0-2.el8_2fixed: vendor fix RHSA-2023:4070
-
Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox 102.13.0-2.el8_4, thunderbird 102.13.0-2.el8_4fixed: vendor fix RHSA-2023:4075
-
Red Hat Enterprise Linux Client (v. 7) firefox 102.13.0-2.el7_9, thunderbird 102.13.0-2.el7_9 Red Hat Enterprise Linux Client Optional (v. 7) firefox 102.13.0-2.el7_9 Red Hat Enterprise Linux Server (v. 7) firefox 102.13.0-2.el7_9 Red Hat Enterprise Linux Server Optional (v. 7) firefox 102.13.0-2.el7_9, thunderbird 102.13.0-2.el7_9 Red Hat Enterprise Linux Workstation (v. 7) firefox 102.13.0-2.el7_9, thunderbird 102.13.0-2.el7_9 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 102.13.0-2.el7_9fixed: vendor fix RHSA-2023:4079
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
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 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 Firefox ESR
- Mozilla Thunderbird
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
mozilla.org
/security/advisories/mfsa2023-22/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2023-23/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2023-24/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1826002
issue-tracking, permissions-required
-
lists.debian.org
/debian-lts-announce/2023/07/msg00006.html
mailing-list, third-party-advisory
-
debian.org
/security/2023/dsa-5450
third-party-advisory
-
debian.org
/security/2023/dsa-5451
third-party-advisory
- lists.debian.org /debian-lts-announce/2023/07/msg00015.html
Sources
- CVE List CVE-2023-37201
- NVD CVE-2023-37201
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.