Cyber Resilience

CVE-2021-36692

MediumPublic PoC

Published: 30 August 2021

Published
30 August 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0031 54.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-36692 is a medium-severity Divide By Zero (CWE-369) vulnerability in Libjxl Project Libjxl. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 45.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-369

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

libjxl project
libjxl
0.3.7

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References