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CVE-2021-36692

Date: August 30, 2021

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.

Language: C++

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-36692
https://github.com/libjxl/libjxl/commit/7dfa400ded53919d986c5d3d23446a09e0cf481b
https://github.com/libjxl/libjxl/issues/308
https://github.com/libjxl/libjxl/pull/313
https://www.mend.io/vulnerability-database/CVE-2021-36692

Severity Score

Weakness Type (CWE)

Divide By Zero

CWE-369

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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