CVE-2026-4015
CVE-2026-4015 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% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-11549
- Weakness: CWE-119
- Published:
- Last modified:
Description
A weakness has been identified in GPAC 26.03-DEV. Affected is the function txtin_process_texml of the file src/filters/load_text.c of the component TeXML File Parser. Executing a manipulation can lead to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5. Applying a patch is advised to resolve this issue.
Frequently asked questions
- What is CVE-2026-4015?
- A weakness has been identified in GPAC 26.03-DEV. Affected is the function txtin_process_texml of the file src/filters/load_text.c of the component TeXML File Parser. Executing a manipulation can lead to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5. Applying a patch is advised to resolve this issue.
- How severe is CVE-2026-4015?
- CVE-2026-4015 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-2026-4015 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-4015?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-4015 have an EU (EUVD) identifier?
- Yes. CVE-2026-4015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11549.
- When was CVE-2026-4015 published?
- CVE-2026-4015 was published on 2026-03-12 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/
- https://github.com/gpac/gpac/commit/d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5
- https://github.com/gpac/gpac/issues/3467
- https://github.com/gpac/gpac/issues/3467#issuecomment-3945864390
- https://github.com/user-attachments/files/25493992/poc_texml_overflow.py
- https://vuldb.com/?ctiid.350537
- https://vuldb.com/?id.350537
- https://vuldb.com/?submit.769797
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- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.