uclouvain openjpeg up to 2.5.4 src/lib/openjp2/pi.c opj_pi_initialise_encode integer overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0$0-$5k2.81

Summaryinfo

A vulnerability, which was classified as problematic, was found in uclouvain openjpeg up to 2.5.4. Affected is the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation results in integer overflow. This vulnerability is cataloged as CVE-2026-6192. The attack must be initiated from a local position. Furthermore, there is an exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in uclouvain openjpeg up to 2.5.4. Affected is the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-6192. The exploitability is told to be easy. Local access is required to approach this attack. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch 839936aa33eb8899bbbd80fda02796bb65068951 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 839936aa33eb8899bbbd80fda02796bb65068951

Timelineinfo

04/13/2026 Advisory disclosed
04/13/2026 +0 days VulDB entry created
04/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1619
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-6192 (🔒)
GCVE (CVE): GCVE-0-2026-6192
GCVE (VulDB): GCVE-100-357114
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/13/2026 10:46
Changes: 04/13/2026 10:46 (61)
Complete: 🔍
Submitter: Kery Qi
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #797385: uclouvain openjpeg 2.5.4 Integer Overflow (by Kery Qi)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!