[UPDATE] [medium] libpng: Vulnerability allows code execution
A remote, anonymous attacker can exploit a vulnerability in libpng to potentially execute arbitrary code, disclose confidential information, or cause a denial-of-service condition.
CSIRTS triage
- What
- A vulnerability in libpng allows a remote, anonymous attacker to potentially execute arbitrary code, disclose confidential information, or cause a denial-of-service condition.
- Who is affected
- Remote, anonymous attackers can exploit this vulnerability in affected versions of libpng.
- Urgency
- Remediation is medium urgency due to the potential for remote code execution and denial of service.
- Action
- Update libpng to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0353
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-2026-256460.95% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-25646 | coverage & exploitation status | NVD · CVE.org |
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: Multiple vulnerabilitiescert-bund · 2026-07-23
- highCVE-2026-64612: A flaw was found in libcupsfilters and cups-filters. The PNG image reading function creates a …nvd · 2026-07-20
- medium[UPDATE] [medium] libpng: Vulnerability allows Denial of Service and information disclosurecert-bund · 2026-07-10
- medium[UPDATE] [medium] libpng: Multiple vulnerabilitiescert-bund · 2026-07-10
- mediumCVE-2026-40930: LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk bodymsrc · 2026-06-09
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- medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31