CVE-2026-20911

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Summary

CVECVE-2026-20911
StatePUBLISHED
Assignertalos
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-07 15:17:35 UTC
Updated2026-04-07 17:16:26 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-131 | CWE-131 CWE-131: Incorrect Calculation of Buffer Size

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA LibRaw LibRaw affected Commit 0b56545 Not specified
CNA LibRaw LibRaw affected Commit d20315b Not specified

References

ReferenceSourceLinkTags
www.talosintelligence.com/vulnerability_reports/TALOS-2026-2330 af854a3a-2127-422b-91ae-364da2661108 www.talosintelligence.com
talosintelligence.com/vulnerability_reports/TALOS-2026-2330 [email protected] talosintelligence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Discovered by Francesco Benvenuto of Cisco Talos. (en)

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