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2764 articles · 110018 vulns · 38/41 feeds (7d)
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9.8
CVE-2026-20911EXPLOITEDPATCHED
libraw · libraw

CVE-2026-20911: A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and C

Description

A heap-based buffer overflow vulnerability exists in the HuffTable::initval 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 Products

VendorProductVersions
librawlibrawCommit 0b56545, Commit d20315b

References

  • https://talosintelligence.com/vulnerability_reports/TALOS-2026-2330

Related News (2 articles)

Tier C
oss-security6h ago
LibRaw 0.22.1 Release with security fixes
→ No new info (linked only)
Tier C
VulDB4d ago
CVE-2026-20911 | LibRaw 0b56545/d20315b File HuffTable::initval buffer size (TALOS-2026-2330)
→ No new info (linked only)
CVSS 3.19.8 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
0.22.1
CWECWE-131
PublishedApr 7, 2026
Last enriched5h agov2
Trending Score74
Source articles2
Independent2
Info Completeness10/14
Missing: epss, kev, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-20889
CVE-2026-20889: A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A spec
Trending: 27
CRITICALCVE-2026-21413
CVE-2026-21413: A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 a
Trending: 27
HIGHCVE-2026-24660
CVE-2026-24660: A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A spec
Trending: 18
HIGHCVE-2026-20884
CVE-2026-20884: An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially
Trending: 18
HIGHCVE-2026-24450
CVE-2026-24450: An integer overflow vulnerability exists in the uncompressed_fp_dng_load_raw functionality of LibRaw Commit 8dc68e2. A s
Trending: 18

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 7, 2026
Discovered by ZDM
Apr 7, 2026
Actively Exploited
Apr 8, 2026
Exploit Available
Apr 8, 2026
Patch Available
Apr 8, 2026
Updated: exploitAvailable, activelyExploited, patchAvailable
Apr 11, 2026

Version History

v2
Last enriched 5h ago
v2Tier C5h ago

Updated exploit availability to true, marked as actively exploited, and added patch version 0.22.1.

exploitAvailableactivelyExploitedpatchAvailable
via oss-security
v14d ago

Initial creation