GPAC up to 26.03-DEV-rev105-g8f39a1eb3-master MP4Box box_code_base.c elng_box_read elng out-of-bounds
Summary
A vulnerability was found in GPAC up to 26.03-DEV-rev105-g8f39a1eb3-master and classified as critical. Affected by this issue is the function elng_box_read of the file src/isomedia/box_code_base.c of the component MP4Box. Executing a manipulation of the argument elng can lead to out-of-bounds.
The identification of this vulnerability is CVE-2026-7135. The attack can only be executed locally. Furthermore, there is an exploit available.
It is suggested to upgrade the affected component.
Details
A vulnerability has been found in GPAC up to 26.03-DEV-rev105-g8f39a1eb3-master and classified as critical. This vulnerability affects the function elng_box_read of the file src/isomedia/box_code_base.c of the component MP4Box. The manipulation of the argument elng with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability was named CVE-2026-7135. The exploitation appears to be easy. Local access is required to approach this attack. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
Upgrading eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch cf6ac48c972eaaee2af270adc3f36615325deb3e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
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Product
Type
Name
Version
License
Website
- Product: https://github.com/gpac/gpac/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: github.com
Patch: cf6ac48c972eaaee2af270adc3f36615325deb3e
Timeline
04/26/2026 Advisory disclosed04/26/2026 VulDB entry created
04/26/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 3516
Status: Confirmed
CVE: CVE-2026-7135 (🔒)
GCVE (CVE): GCVE-0-2026-7135
GCVE (VulDB): GCVE-100-359734
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/26/2026 21:29Changes: 04/26/2026 21:29 (62)
Complete: 🔍
Submitter: Lucian-2333
Cache ID: 216::103
Submit
Accepted
- Submit #800985: gpac laster Memory Corruption (by Lucian-2333)
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