CVE-2025-70103 - Vulnerability Details - OpenCVE

Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Libjxl	Libjxl

No data.

No data.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2026/05/30/7
https://github.com/libjxl/libjxl/issues/4337
https://github.com/libjxl/libjxl/pull/4338
https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2
https://infosec.exchange/@sigdevel/116642233929409910

History

Sat, 30 May 2026 23:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Libjxl Libjxl libjxl
Vendors & Products		Libjxl Libjxl libjxl

Sat, 30 May 2026 20:30:00 +0000

Type	Values Removed	Values Added
References		http://www.openwall.com/lists/oss-security/2026/05/30/7

Wed, 27 May 2026 23:00:00 +0000

Type	Values Removed	Values Added
Title		Heap Buffer Overflow in libjxl Decoding of PBM Images

Wed, 27 May 2026 19:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-122
Metrics		cvssV3_1 `{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 27 May 2026 15:15:00 +0000

Type	Values Removed	Values Added
Description		Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc.
References		https://github.com/libjxl/libjxl/issues/4337 https://github.com/libjxl/libjxl/pull/4338 https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2 https://infosec.exchange/@sigdevel/116642233929409910

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-05-27T00:00:00.000Z

Updated: 2026-05-30T19:30:38.829Z

Reserved: 2026-01-09T00:00:00.000Z

Link: CVE-2025-70103

Vulnrichment

Updated: 2026-05-30T19:30:38.829Z

NVD

Status : Deferred

Published: 2026-05-27T15:16:24.783

Modified: 2026-05-30T20:16:21.760

Link: CVE-2025-70103

Redhat

No data.

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