CVE-2026-7135
CVE-2026-7135 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 4.3
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25873
- Weakness: CWE-119
- Published:
- Last modified:
Description
A security flaw has been discovered in GPAC up to 26.03-DEV-rev105-g8f39a1eb3-master. Affected by this vulnerability is the function elng_box_read of the file src/isomedia/box_code_base.c of the component MP4Box. Performing a manipulation of the argument elng results in out-of-bounds read. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The patch is named cf6ac48c972eaaee2af270adc3f36615325deb3e. The affected component should be upgraded.
Frequently asked questions
- What is CVE-2026-7135?
- A security flaw has been discovered in GPAC up to 26.03-DEV-rev105-g8f39a1eb3-master. Affected by this vulnerability is the function elng_box_read of the file src/isomedia/box_code_base.c of the component MP4Box. Performing a manipulation of the argument elng results in out-of-bounds read. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The patch is named cf6ac48c972eaaee2af270adc3f36615325deb3e. The affected component should be upgraded.
- How severe is CVE-2026-7135?
- CVE-2026-7135 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-7135 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-7135?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-7135 have an EU (EUVD) identifier?
- Yes. CVE-2026-7135 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25873.
- When was CVE-2026-7135 published?
- CVE-2026-7135 was published on 2026-04-27 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/
- https://github.com/gpac/gpac/commit/cf6ac48c972eaaee2af270adc3f36615325deb3e
- https://github.com/gpac/gpac/issues/3516
- https://github.com/gpac/gpac/releases/tag/abi-16.8
- https://vuldb.com/submit/800985
- https://vuldb.com/vuln/359734
- https://vuldb.com/vuln/359734/cti
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