CVE-2023-37201

8.8 highEPSS 0.8%

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2023-07-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
mozilla:firefox
mozilla:firefox_esr
mozilla:thunderbird

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1826002
https://lists.debian.org/debian-lts-announce/2023/07/msg00006.html
https://lists.debian.org/debian-lts-announce/2023/07/msg00015.html
https://www.debian.org/security/2023/dsa-5450
https://www.debian.org/security/2023/dsa-5451

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