Vulnerability · Published Aug 30, 2021 · Assigned by mitre

CVE-2021-36692

Medium 6.5

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)1.2%top 31.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/libjxl/libjxl/issues/308 x_refsource_MISC
https://github.com/libjxl/libjxl/pull/313 x_refsource_MISC
https://github.com/libjxl/libjxl/commit/7dfa400ded53919d986c5d3d23446a09e0cf481b x_refsource_MISC