Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2020-26959

UNKNOWN
Published 2020-12-09T00:22:44
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2020-26959. We'll provide specific mitigation strategies based on your environment and risk profile.

No CVSS data available

Description

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

< 83
Mozilla

Firefox ESR

Affected Versions:

< 78.5
Mozilla

Thunderbird

Affected Versions:

< 78.5

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-w4gq-6hmw-x862

Advisory Details

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

CVSS Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-26959
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1669466
WEB https://www.mozilla.org/security/advisories/mfsa2020-50
WEB https://www.mozilla.org/security/advisories/mfsa2020-51
WEB https://www.mozilla.org/security/advisories/mfsa2020-52

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1669466
https://www.mozilla.org/security/advisories/mfsa2020-50/
https://www.mozilla.org/security/advisories/mfsa2020-52/
https://www.mozilla.org/security/advisories/mfsa2020-51/
Published: 2020-12-09T00:22:44
Last Modified: 2024-08-04T16:03:23.168Z
Copied to clipboard!