VulnerabilityModified
CVE-2026-21413
A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit d20315b.
CRITICAL 9.8EPSS 0.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and 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
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-129, CWE-787
- Affected
- libraw/libraw
- Source
- talos-cna@cisco.com
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2026-2331Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2331Exploit, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:11360
- https://access.redhat.com/errata/RHSA-2026:13284
- https://access.redhat.com/errata/RHSA-2026:13854
- https://access.redhat.com/errata/RHSA-2026:13860
- https://access.redhat.com/errata/RHSA-2026:13868
- https://access.redhat.com/errata/RHSA-2026:13870
- 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/errata/RHSA-2026:19345
- https://access.redhat.com/security/cve/CVE-2026-21413
- https://bugzilla.redhat.com/show_bug.cgi?id=2455929
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21413.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.