CVE-2026-3950

Published: Mar 11, 2026 Last Modified: Mar 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,8
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
LOW 3,3
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
LOW 1,7
Access Vector: local
Access Complexity: low
Authentication: single
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

A vulnerability was identified in strukturag libheif up to 1.21.2. This impacts the function Track::load of the file libheif/sequences/track.cc of the component stsz/stts. The manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and might be used. Applying a patch is the recommended action to fix this issue. The patch available is inofficial and not approved yet.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0001
Percentile
0,0th
Updated

EPSS Score Trend (Last 6 Days)

119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Stable
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Memory Read Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
View CWE Details
125

Out-of-bounds Read

Draft
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
https://github.com/Niebelungen-D/pocs/tree/main/heif_dec_sequence_chunk_idx_oob
https://github.com/strukturag/libheif/
https://github.com/strukturag/libheif/issues/1715
https://github.com/strukturag/libheif/pull/1721
https://vuldb.com/?ctiid.350382
https://vuldb.com/?id.350382
https://vuldb.com/?submit.766431