Vulnerability · Published Aug 30, 2021 · Assigned by mitre

CVE-2021-36691

High 7.5

In plain English

A high-severity security flaw in the jpeg-xl package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.1%top 35.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12jpeg-xlno fix listedDEBIAN-CVE-2021-36691
Debian:13jpeg-xlno fix listedDEBIAN-CVE-2021-36691
Debian:14jpeg-xlno fix listedDEBIAN-CVE-2021-36691
Ubuntu:24.04:LTSjpeg-xlno fix listedUBUNTU-CVE-2021-36691

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References