Buffer overflow in Jpeg Jpeg-Xl
CVE-2021-28026
jpeg-xl v0.3.2 is affected by a heap buffer overflow in /lib/jxl/coeff_order.cc ReadPermutation. When decoding a malicous jxl file using djxl, an attacker can trigger arbitrary code execution or a denial of service.
Vulnerability class: Buffer Overflow
EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Jpeg Jpeg-xl — versions 0.3.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2021-28026?
- CVE-2021-28026 is a high-severity vulnerability in Jpeg Jpeg-Xl, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-03-05.
- How severe is CVE-2021-28026?
- High severity. CVSS v3 base score is 7.8 out of 10.