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CVE-2022-2566

Date: September 23, 2022

A heap out-of-bounds memory write exists in FFMPEG since version 5.1. The size calculation in "build_open_gop_key_points()" goes through all entries in the loop and adds "sc->ctts_data[i].count" to "sc->sample_offsets_count". This can lead to an integer overflow resulting in a small allocation with "av_calloc()". An attacker can cause remote code execution via a malicious mp4 file. We recommend upgrading past commit c953baa084607dd1d84c3bfcce3cf6a87c3e6e05

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Out-of-bounds Write

CWE-787

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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