CVE Catalog

CVE-2026-92031

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.33%

24th percentile - higher than 24% of all known CVEs

Summary

Information disclosure vulnerability in the Graphics: ImageLib component of Firefox and Thunderbird. The flaw was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Risk Assessment

Information disclosure may lead to leakage of data from the browser process memory, potentially compromising the confidentiality of user-processed information. The risk increases when handling content from untrusted sources.

Recommendation

Update Firefox to version 156 or ESR 140.16/153.3, and Thunderbird to version 156 or 140.16/153.3. Limit processing of untrusted images and graphic content until the patch is applied.

Related vulnerabilities

Original NVD description (English source)

Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS