CVE-2026-21413 | LibRaw 0b56545/d20315b File lossless_jpeg_load_raw array index (TALOS-2026-2331)

VDB-355753 · CVE-2026-21413 · TALOS-2026-2331 LIBRAW 0B56545/D20315B FILE LOSSLESS_JPEG_LOAD_RAW ARRAY INDEX HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.9 $0-$5k 1.88+ Summaryinfo A vulnerability classified as critical has been found in LibRaw 0b56545/d20315b. This affects the function lossless_jpeg_load_raw of the component File Handler. This manipulation causes array index. This vulnerability appears as CVE-2026-21413. The attack may be initiated remotely. There is no available exploit. It is suggested to install a patch to address this issue. Detailsinfo A vulnerability classified as critical was found in LibRaw 0b56545/d20315b. Affected by this vulnerability is the function lossless_jpeg_load_raw of the component File Handler. The manipulation with an unknown input leads to a array index vulnerability. The CWE definition for the vulnerability is CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is: 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. The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2026-21413 since 01/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. Applying a patch is able to eliminate this problem. Productinfo Type Image Processing Software Name LibRaw Version 0b56545 d20315b License open-source CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.0 VulDB Meta Temp Score: 7.9 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.8 CNA Vector (talos): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Array index CWE: CWE-129 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Timelineinfo 01/21/2026 CVE reserved 04/07/2026 +75 days Advisory disclosed 04/07/2026 +0 days VulDB entry created 04/07/2026 +0 days VulDB entry last update Sourcesinfo Advisory: TALOS-2026-2331 Status: Confirmed CVE: CVE-2026-21413 (🔒) GCVE (CVE): GCVE-0-2026-21413 GCVE (VulDB): GCVE-100-355753 Entryinfo Created: 04/07/2026 16:38 Changes: 04/07/2026 16:38 (64) Complete: 🔍 Cache ID: 99:D24:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸