DSA-6392-1 tiff - security update

unknownCVE-2026-12912

A flaw was discovered in tiff, a Tag Image File Format library, which may result in denial of service or the execution of arbitrary code if malformed image files are processed. https://security-tracker.debian.org/tracker/DSA-6392-1

CSIRTS triage

vendor: tiff product: tiff Denial of serviceOther

What: A flaw may result in denial of service or the execution of arbitrary code if malformed image files are processed.
Who is affected: Deployments of the tiff library that process image files.
Urgency: Remediation is urgent due to the potential for arbitrary code execution and denial of service.
Action: Apply the security update provided in DSA-6392-1.

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

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Details

Source: Debian Security Advisories (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-07-19
Exploitation: Not in CISA KEV at last sync

Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00303.html

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-2026-129120.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-12912	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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