CVE-2023-32213

Name: CVE-2023-32213
Creator: NVD / NIST
Published: 2023-06-02T17:15:13.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-32213 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 113.0
Mozilla	Firefox Esr	< 102.11
Mozilla	Thunderbird	< 102.11

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1826666Issue Tracking, Permissions Required, Vendor Advisory
https://security.gentoo.org/glsa/202312-03
https://security.gentoo.org/glsa/202401-10
https://www.mozilla.org/security/advisories/mfsa2023-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-17/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-18/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1826666Issue Tracking, Permissions Required, Vendor Advisory
https://security.gentoo.org/glsa/202312-03
https://security.gentoo.org/glsa/202401-10
https://www.mozilla.org/security/advisories/mfsa2023-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-17/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-18/Vendor Advisory

Timeline

Published: Jun 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2023-32213?

CVE-2023-32213 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32213?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-32213?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST