8.8High
Use-after-free in the Audio/Video component
Mozilla Firefox
Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox ESR 115.45.
8.8High
KEV
CVE-2019-17026Mozilla Firefox And Thunderbird Type Confusion Vulnerability
Known exploited — Mozilla Firefox And Thunderbird Type Confusion Vulnerability
CISA confirmed this vulnerability is used in real attacks on 03.11.2021. Remediation deadline for US federal agencies: 03.05.2022.
Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-17026
Description
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.
Weakness (CWE):
CWE-843
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| canonical | ubuntu linux | 16.04 | |
| Mozilla | Firefox | unspecified – < 72.0.1 | |
| Mozilla | Firefox ESR | unspecified – < 68.4.1 | |
| Mozilla | Thunderbird | unspecified – < 68.4.1 |
References and patches
- https://www.mozilla.org/security/advisories/mfsa2020-04/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-03/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607443 Issue Tracking
- GLSA-202003-02 vendor-advisoryThird Party Advisory
- USN-4335-1 vendor-advisoryThird Party Advisory
- http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html ExploitThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17026 US Government Resource
CPE matches (NVD) (4)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*< 68.4.1cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*< 72.0.1cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*< 68.4.1cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*