No exploitation reported

CVE-2026-21413

No exploitation reported by the sources we read.

Published2026-04-07
WeaknessCWE-129 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2026-04-0715:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-21413?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-21413?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Libraw

Branch	Affected	Fixed in	Source
0.22	= 0.22.0	no fix published	NVD
0.22	= 0.22.1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

LibRawAlmaLinux:9all versions · fixed in 0.21.1-2.el9_7and 1 other package
LibRawAlmaLinux:9all versions · fixed in 0.21.1-2.el9_8and 1 other package
LibRawAlmaLinux:8all versions · fixed in 0.19.5-6.el8_10and 1 other package

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2026-10-13
OpenCVESSVC decisionnone—
CNACVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-129, CWE-787read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-04-07
Last Modified: 2026-10-13
NVD status: Modified

Frequently asked questions

What is CVE-2026-21413?

Is CVE-2026-21413 actively exploited?

Active exploitation of CVE-2026-21413 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-21413?

CVE-2026-21413 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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