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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.

PUBLISHED Reserved 2026-03-11 | Published 2026-03-12 | Updated 2026-03-12 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Stack-based Buffer Overflow

Memory Corruption

Timeline

2026-03-11:Advisory disclosed
2026-03-11:VulDB entry created
2026-03-11:VulDB entry last update

Credits

breakingbad (VulDB User) reporter

References

vuldb.com/?id.350537 (VDB-350537 | GPAC TeXML File load_text.c txtin_process_texml stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.350537 (VDB-350537 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.769797 (Submit #769797 | GPAC 26.03-DEV Buffer Overflow) third-party-advisory

github.com/gpac/gpac/issues/3467 issue-tracking

github.com/gpac/gpac/issues/3467 issue-tracking

github.com/...tachments/files/25493992/poc_texml_overflow.py exploit

github.com/...ommit/d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5 patch

github.com/gpac/gpac/ product

cve.org (CVE-2026-4015)

nvd.nist.gov (CVE-2026-4015)

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