Buffer Overflow The advisory has been revoked - it doesn't affect any version of package thunderbird (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-581540
- published22 Oct 2019
- disclosed8 Jan 2020
Introduced: 22 Oct 2019
CVE-2019-11759 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu.
An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-11759
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11759
- https://security-tracker.debian.org/tracker/CVE-2019-11759
- https://security.gentoo.org/glsa/202003-10
- https://www.mozilla.org/security/advisories/mfsa2019-33/
- https://www.mozilla.org/security/advisories/mfsa2019-34/
- https://www.mozilla.org/security/advisories/mfsa2019-35/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1577953
- https://usn.ubuntu.com/4335-1/