[UPDATE] [high] LibTiff: Vulnerability enables code execution

CSIRTS triage

What

A remote vulnerability in LibTiff allows arbitrary code execution.

Who is affected

Systems and applications using LibTiff to process untrusted TIFF files are affected.

Urgency

High severity; remote exploitation without authentication required.

Action

Update LibTiff to a version containing the CVE-2025-9900 fix.

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

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-08-03

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-2025-2110

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-2025-99000.74% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

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

• high[NEW] [high] Oracle Communications: Multiple vulnerabilitiescert-bund
• unknownNCSC-2026-0256 [1.00] [M/H] Vulnerabilities fixed in Oracle Communicationsncsc-nl

More from CERT-Bund (BSI) Security Advisories

• high[NEW] [high] Linux Kernel: Multiple vulnerabilities2026-08-25
• medium[NEW] [medium] libTIFF: Multiple Vulnerabilities2026-08-25
• high[NEW] [high] Contao: Multiple Vulnerabilities2026-08-25
• medium[NEW] [medium] Django: Multiple Vulnerabilities2026-08-25
• high[NEW] [high] Red Hat Enterprise Linux (Apicurio Registry): Multiple Vulnerabilities2026-08-25