CVE-2023-32213

When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

CVSS 3.1

8.8CVSS: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 54% of CVEs (scores of 2026-10-25)

CWE

CWE-908

Published

2023-06-02

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

Affected

• mozilla:firefox
• mozilla:firefox_esr
• mozilla:thunderbird

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1826666
• https://security.gentoo.org/glsa/202312-03
• https://security.gentoo.org/glsa/202401-10
• https://www.mozilla.org/security/advisories/mfsa2023-16/
• https://www.mozilla.org/security/advisories/mfsa2023-17/

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