CVE-2026-20889
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.8%
exploitation probability
0.8%top 45% of all CVEs
observed exploitation
nono source reports it
A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
LibRaw · LibRawReferences
https://access.redhat.com/errata/RHSA-2026:13284https://access.redhat.com/errata/RHSA-2026:14224https://access.redhat.com/errata/RHSA-2026:14655https://access.redhat.com/errata/RHSA-2026:14673https://access.redhat.com/security/cve/CVE-2026-20889https://bugzilla.redhat.com/show_bug.cgi?id=2455942https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20889.jsonhttps://talosintelligence.com/vulnerability_reports/TALOS-2026-2358https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2358