CVE-2021-36691
HighPublic 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
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0030
54.0th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-36691 is a high-severity Reachable Assertion (CWE-617) vulnerability in Libjxl Project Libjxl. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 46.0% 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
- 🇪🇺 ENISA EUVD: EUVD-2021-23286
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
libjxl project
libjxl
0.5.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.