Ffmpeg CVE-2025-22921

MEDIUM

NULL Pointer Dereference (CWE-476)

2025-02-18 cve@mitre.org

Denial Of Service Null Pointer Dereference Debian Debian Linux Ffmpeg Suse

6.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-476 OWASP Top 10:2025 A10:2025 - Mishandling of Exceptional Conditions ASVS 5.0 V16 - Security Logging and Error Handling Null pointer safety, defensive checks MITRE ATT&CK 1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.17%.
Exploit ScenarioDerived	A remote attacker could crash the application by dereferencing a null pointer by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

FFmpeg git-master,N-113007-g8d24a28d06 was discovered to contain a segmentation violation via the component /libavcodec/jpeg2000dec.c. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

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Technical ContextAI · show details

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. FFmpeg git-master,N-113007-g8d24a28d06 was discovered to contain a segmentation violation via the component /libavcodec/jpeg2000dec.c. Affected products include: Ffmpeg, Debian Debian Linux.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM

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

SUSE MEDIUM

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

2

Patch released

Apr 05, 2026 - 08:30 nvd

Patch available

CVE Published

Feb 18, 2025 - 22:15 nvd

MEDIUM 6.5

DescriptionCVE.org

FFmpeg git-master,N-113007-g8d24a28d06 was discovered to contain a segmentation violation via the component /libavcodec/jpeg2000dec.c.

Executive ViewAI

Why It Matters

CVE-2025-22921 presents notable security risk, a null pointer dereference vulnerability rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate

Compensating Controls

Apply vendor patch. If patching is delayed: enable ASLR/DEP, apply network segmentation.

Threat Intelligence Overview

EPSS Score

0.2%

Top 62% exploitable

Data Quality

3 sources

Confidence: Low

CVE.org

EPSS Vendor

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

No

Priority Score

32

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Null Pointer Dereference MEDIUM

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:ffmpeg:ffmpeg:7.0:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.0.2:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.0.3:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.1:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.1:dev:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.1.1:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.1.2:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.1.3:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:7.2:dev:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:8.0:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:8.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ffmpeg:ffmpeg:8.1:dev:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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Same weakness CWE-476 – NULL Pointer Dereference

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Same technique Denial Of Service

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Vendor StatusVendor

SUSE

Severity: Medium

Product	Status
Container suse/kiosk/firefox-esr:esr	Affected
Image SLES15-SP4-SAP-Azure-LI-BYOS Image SLES15-SP4-SAP-Azure-LI-BYOS-Production Image SLES15-SP4-SAP-Azure-VLI-BYOS Image SLES15-SP4-SAP-Azure-VLI-BYOS-Production	Affected
SUSE Enterprise Storage 7.1	Fixed
SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6	Fixed
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7	Fixed

References

Advisories & patches

ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:0862/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:1128/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:1450/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:14833/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:14834/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:15010/ REF https://lists.debian.org/debian-lts-announce/2025/02/msg00037.html REF https://trac.ffmpeg.org/ticket/11393

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