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Libraw EUVDEUVD-2026-19628

| CVE-2026-24660 HIGH
Integer Overflow or Wraparound (CWE-190)
2026-04-07 talos GHSA-6mmg-qj2r-7jcf
Buffer Overflow Integer Overflow Libraw
8.1
CVSS 3.1 · Vendor: talos
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Severity by source

Vendor (talos) PRIMARY
8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SUSE
HIGH
qualitative
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (talos).

CVSS VectorVendor: talos

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch released
Apr 09, 2026 - 20:30 nvd
Patch available
EUVD ID Assigned
Apr 07, 2026 - 14:30 euvd
EUVD-2026-19628
Analysis Generated
Apr 07, 2026 - 14:30 vuln.today
CVE Published
Apr 07, 2026 - 13:49 nvd
HIGH 8.1

DescriptionCVE.org

A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw 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.

AnalysisAI

Heap buffer overflow in LibRaw's x3f_load_huffman function (commit d20315b) allows remote attackers to achieve arbitrary code execution via malicious X3F image files. The vulnerability stems from an integer overflow (CWE-190) leading to heap corruption. CVSS 8.1 reflects high impact across confidentiality, integrity, and availability, though attack complexity is rated high. EPSS data not available; no CISA KEV listing indicates no confirmed active exploitation at time of analysis. Reported by Cisco Talos (TALOS-2026-2359), affecting LibRaw's Sigma X3F raw image parsing functionality.

Technical ContextAI

LibRaw is an open-source library for reading and processing raw image files from digital cameras, widely used in photo editing applications and image processing pipelines. The vulnerability resides in the x3f_load_huffman function responsible for parsing Huffman-encoded data within Sigma's proprietary X3F raw image format. The root cause is an integer overflow (CWE-190) during size calculations when processing Huffman table parameters from the X3F file structure. This overflow causes allocation of an insufficiently sized heap buffer, which is subsequently overflowed during data decompression or table population. The affected CPE (cpe:2.3:a:libraw:libraw) indicates the core LibRaw library itself is vulnerable, impacting any application that processes untrusted X3F files through LibRaw's parsing routines. The specific commit reference (d20315b) suggests this is a development-branch vulnerability that may affect recent unstable versions or pre-release code.

RemediationAI

Primary remediation requires updating LibRaw to a patched version that addresses the integer overflow in x3f_load_huffman. Organizations should monitor the LibRaw GitHub repository and the Cisco Talos advisory at https://talosintelligence.com/vulnerability_reports/TALOS-2026-2359 for official patch releases and specific fixed version numbers. Until patches are available, implement defense-in-depth controls including disabling X3F format support if not operationally required, implementing file format validation before LibRaw processing, running image processing in sandboxed or containerized environments with limited privileges, and deploying memory corruption mitigations (ASLR, DEP/NX) on systems using LibRaw. For critical environments processing untrusted images, consider temporarily blocking X3F file uploads or switching to alternative raw processing libraries until patches are deployed. Application developers embedding LibRaw should review their integration for opportunities to validate file structure integrity before passing data to vulnerable parsing functions. Monitor LibRaw security advisories and CVE updates for release of fixed versions, then prioritize testing and deployment based on your environment's exposure to untrusted X3F files.

More in Libraw

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LibRaw::raw2image in libraw_cxx.cpp in LibRaw 0.19.1 has a NULL pointer dereference. Rated medium severity (CVSS 6.5), t
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Heap-based buffer overflow in LibRaw's HuffTable::initval function allows unauthenticated remote attackers to achieve ar

Same weakness CWE-190 – Integer Overflow or Wraparound

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7.5
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CVE-2016-1010 HIGH
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CVE-2013-3940 CRITICAL
9.3

Same technique Buffer Overflow

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CVE-2009-0927 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2017-11882 HIGH POC
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CVE-2010-3333 HIGH POC
7.8

Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
SUSE Linux Enterprise Server 15 SP7 Fixed

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EUVD-2026-19628 vulnerability details – vuln.today
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