CVE-2025-70103

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.

Published: 2026-05-27 Last update: 2026-05-30 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-70103 is rated Low Risk (38.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.35%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-70103

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.35% +0.29%
2 2026-06-02 0.04% 0.06% +0.02%
3 2026-05-28 0.04%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-70103

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.3 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.9 3.4 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-70103

GitHub Security Advisory for CVE-2025-70103

GHSA-4xm2-q73p-253r · Severity: high — Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras:...

OS Trackers for CVE-2025-70103

vendor priority summary link
debian not yet assigned CVE-2025-70103 not yet assigned priority: Debian including 1 source packages (jpeg-xl), 4 status rows across 4 suites (bookworm, forky, sid, trixie): open 3, resolved 1. https://security-tracker.debian.org/tracker/CVE-2025-70103
suse high https://www.suse.com/security/cve/CVE-2025-70103/
ubuntu medium CVE-2025-70103 medium priority: Ubuntu including 1 source packages (jpeg-xl), 5 status rows across 5 suites (jammy, noble, questing, resolute, upstream): needs-triage 2, released 2, DNE 1. https://ubuntu.com/security/CVE-2025-70103

Affected software / configurations for CVE-2025-70103

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-70103

cvelogic Threat Intelligence