[UPDATE] [medium] libpng: Multiple vulnerabilities

mediumCVE-2025-65018 CVE-2025-64720 CVE-2025-64505 CVE-2025-64506

A remote, anonymous attacker can exploit multiple vulnerabilities in libpng to conduct a Denial of Service attack and execute code.

CSIRTS triage

vendor: libpng product: libpng Denial of service Remote code execution

What: Multiple vulnerabilities allow Denial of Service and code execution.
Who is affected: Remote, anonymous attackers can exploit these vulnerabilities.
Urgency: Remediation is medium urgency as these vulnerabilities can lead to service disruption and arbitrary code execution.
Action: Update to the latest version of libpng to mitigate the vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-10
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2663

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-650180.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
Low exploitation riskCVE-2025-647200.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Low exploitation riskCVE-2025-645050.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
Low exploitation riskCVE-2025-645060.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-65018	coverage & exploitation status	NVD · CVE.org
CVE-2025-64720	coverage & exploitation status	NVD · CVE.org
CVE-2025-64505	coverage & exploitation status	NVD · CVE.org
CVE-2025-64506	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

criticalGitLab Patch Release: 18.7.1, 18.6.3, 18.5.5gitlab

Recent advisories for libpng

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[UPDATE] [medium] libpng: Vulnerability allows Denial of Service and information disclosurecert-bund · 2026-07-10
mediumCVE-2026-40930: LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk bodymsrc · 2026-06-09