CVE-2026-21413
A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit d20315b.
Published Apr 7, 2026 · corrected/updated Oct 13, 2026 · libraw libraw · evidence confidence high
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-21413 is a critical public vulnerability record for libraw libraw. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether libraw libraw is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: libraw/libraw (0.22.0); libraw/libraw (0.22.1). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 9.8, EPSS 1.4%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-129, CWE-787. Sources contributing to this record: cve_org, epss, ncsc_nl, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · NCSC Netherlands
Detected
Microsoft heeft 1159 kwetsbaarheden verholpen in Windows. Het voert te ver om iedere kwetsbaarheid te benoemen. De 53 ernstigste kwetsbaarheden, met een CVSS score van 9 en hoger zijn weergegeven in onderstaande lijst en geven een kwaadwillende de mogelijkheid om zich voor te doen als andere gebruiker, zich verhoogde rechten toe te kennen en willekeurige code uit te voeren. Deze kwetsbaarheden bev
Oct 13, 2026 · NIST NVD
Updated
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.
Affected
- cpe libraw/libraw0.22.0
- cpe libraw/libraw0.22.1
Sources
- CVE.orgVulnerability recordCVE-2026-21413
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-21413
30-day exploitation probability 1.4%
first.org - NCSC NetherlandsGovernment advisoryCVE-2026-21413
Microsoft heeft 1159 kwetsbaarheden verholpen in Windows. Het voert te ver om iedere kwetsbaarheid te benoemen. De 53 ernstigste kwetsbaarheden, met een CVSS score van 9 en hoger zijn weergegeven in onderstaande lijst en geven een kwaadwillende de mogelijkheid om zich voor te doe
advisories.ncsc.nl - NIST NVDVulnerability recordCVE-2026-21413
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
nvd.nist.gov