Access of Resource Using Incompatible Type ('Type Confusion') The advisory has been revoked - it doesn't affect any version of package firefox (opens in a new tab)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
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-DEBIAN13-FIREFOX-6025450
- published8 Jan 2020
- disclosed2 Mar 2020
Introduced: 8 Jan 2020
CVE-2019-17026 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:13.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian.
Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17026
- https://security-tracker.debian.org/tracker/CVE-2019-17026
- https://security.gentoo.org/glsa/202003-02
- http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html
- https://www.mozilla.org/security/advisories/mfsa2020-03/
- https://www.mozilla.org/security/advisories/mfsa2020-04/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607443
- https://usn.ubuntu.com/4335-1/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-17026
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17026
- https://www.exploit-db.com/exploits/50691
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://github.com/maxpl0it/CVE-2019-17026-Exploit