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Openjpeg CVE-2025-50952

MEDIUM
NULL Pointer Dereference (CWE-476)
2025-08-07 cve@mitre.org
6.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
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.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.04%.

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 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

openjpeg v 2.5.0 was discovered to contain a NULL pointer dereference via the component /openjp2/dwt.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.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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. openjpeg v 2.5.0 was discovered to contain a NULL pointer dereference via the component /openjp2/dwt.c. Affected products include: Uclouvain Openjpeg.

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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:N/S:U/C:L/I:L/A:N
SUSE MEDIUM
Red Hat 5.3 MEDIUM

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Patch released
Apr 06, 2026 - 14:30 nvd
Patch available
CVE Published
Aug 07, 2025 - 15:15 nvd
MEDIUM 6.5

DescriptionCVE.org

openjpeg v 2.5.0 was discovered to contain a NULL pointer dereference via the component /openjp2/dwt.c.

Executive ViewAI

Why It Matters

Organizations using openjpeg v 2.5.0 should be aware of notable risk from CVE-2025-50952, 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
0.0%
Top 86% exploitable

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 0.0%
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
Yes

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

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

Affected Products (CPE)CVE.org

cpe:2.3:a:uclouvain:openjpeg:2.5.0:*:*:*:*:*:*:*
CVE-2013-4290 CRITICAL POC
10.0 Apr 18

Stack-based buffer overflow in OpenJPEG before 1.5.2 allows remote attackers to have unspecified impact via unknown vect

CVE-2017-14164 HIGH POC
8.8 Sep 06

A size-validation issue was discovered in opj_j2k_write_sot in lib/openjp2/j2k.c in OpenJPEG 2.2.0. Rated high severity

CVE-2020-8112 HIGH POC
8.8 Jan 28

opj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in th

CVE-2020-6851 HIGH POC
7.5 Jan 13

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack

CVE-2016-7445 HIGH POC
7.5 Oct 03

convert.c in OpenJPEG before 2.1.2 allows remote attackers to cause a denial of service (NULL pointer dereference and ap

CVE-2016-7163 HIGH POC
7.8 Sep 21

Integer overflow in the opj_pi_create_decode function in pi.c in OpenJPEG allows remote attackers to execute arbitrary c

CVE-2016-8332 HIGH POC
7.5 Oct 28

A buffer overflow in OpenJPEG 2.1.1 causes arbitrary code execution when parsing a crafted image. Rated high severity (C

CVE-2012-3535 MEDIUM POC
6.8 Sep 05

Heap-based buffer overflow in OpenJPEG 1.5.0 and earlier allows remote attackers to cause a denial of service (applicati

CVE-2016-10504 MEDIUM POC
6.5 Aug 30

Heap-based buffer overflow vulnerability in the opj_mqc_byteout function in mqc.c in OpenJPEG before 2.2.0 allows remote

CVE-2016-9112 HIGH POC
7.5 Oct 29

Floating Point Exception (aka FPE or divide by zero) in opj_pi_next_cprl function in openjp2/pi.c:523 in OpenJPEG 2.1.2.

CVE-2016-9114 HIGH POC
7.5 Oct 30

There is a NULL Pointer Access in function imagetopnm of convert.c:1943(jp2) of OpenJPEG 2.1.2. Rated high severity (CVS

CVE-2016-9113 HIGH POC
7.5 Oct 30

There is a NULL pointer dereference in function imagetobmp of convertbmp.c:980 of OpenJPEG 2.1.2. Rated high severity (C

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed

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