Description
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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| LibRaw | LibRaw | Commit d20315b |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2358Exploit, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:13284
- https://access.redhat.com/errata/RHSA-2026:14224
- https://access.redhat.com/errata/RHSA-2026:14655
- https://access.redhat.com/errata/RHSA-2026:14673
- https://access.redhat.com/security/cve/CVE-2026-20889
- https://bugzilla.redhat.com/show_bug.cgi?id=2455942
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20889.json
Timeline
- Published
- Apr 7, 2026
- Last modified
- Jul 15, 2026
- NVD status
- Modified