CVE-2025-70103CWE-122

CVE-2025-70103

High · published May 27, 2026

CVSS v3.1

7.3

EPSS

0%

Percentile

36.5

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 7.3 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0: Not supplied
EPSS: 0.00432 · 36.5th percentile
Weakness: CWE-122 · Heap-based Buffer Overflow
Published: 2026-05-27T19:16Z

References (6)

https://github.com/libjxl/libjxl/issues/4337 · [email protected]https://github.com/libjxl/libjxl/pull/4338 · [email protected]https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2 · [email protected]https://infosec.exchange/@sigdevel/116642233929409910 · [email protected]http://www.openwall.com/lists/oss-security/2026/05/30/7 · af854a3a-2127-422b-91ae-364da2661108 https://github.com/libjxl/libjxl/issues/4337 · 134c704f-9b21-4f2e-91b3-4a467353bcc0

EPSS history

Timeline

27 MAY 00:00Z
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
cvelistv5