PT-2026-30830 · Libraw+1 · Libraw+1

Francesco Benvenuto · Published 2026-04-07 · Updated 2026-05-04 · CVE-2026-20889

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LibRaw Commit d20315b

Description A heap-based buffer overflow vulnerability exists in the x3f thumb loader functionality. A specially crafted malicious file can trigger a heap buffer overflow. An attacker can provide a malicious file to exploit this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALSA-2026:13284

CVE-2026-20889

ECHO-502F-9006-E836

OPENSUSE-SU-2026:10565-1

OPENSUSE-SU-2026:20574-1

RHSA-2026:13284

RHSA-2026:14224

RHSA-2026:14655

RHSA-2026:14673

SUSE-SU-2026:1555-1

SUSE-SU-2026:1556-1

Affected Products

Libraw

Rocky Linux

References · 41

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358 · Exploit
• https://cve.org/CVERecord?id=CVE-2026-20889 · Security Note
• https://errata.rockylinux.org/RLSA-2026:13284 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-20889 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-20889 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2026-13284.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20574-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1556-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:13284 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-20889 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-13284.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20889 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10565-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1555-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-20889 · Vendor Advisory