CVE-2021-36692

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Published Aug 30, 2021 CVSS 3.1 · 6.5 Medium EPSS 1.2% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:libjxl_project:libjxl:0.3.7:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-23287	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.2% (1.221% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Libjxl Project Libjxl

Weaknesses

CWE-369

Sources

CVE record Updated: Aug 4, 2024, 1:01 AM

Status: PUBLISHED
Assigner: mitre
Published: Aug 30, 2021, 8:14 PM
Updated: Aug 4, 2024, 1:01 AM
Reserved: Jul 12, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:59 AM

Status: Modified
Published: Aug 30, 2021, 9:15 PM
Modified: Jun 17, 2026, 3:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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