Out-of-Bounds Write Vulnerability in GPAC SRT Subtitle Import by GPAC
CVE-2026-1418

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
26 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1418?

A security vulnerability has been identified in the GPAC software, specifically within the SRT Subtitle Import component. This flaw is due to improper handling in the function gf_text_import_srt_bifs located in src/scene_manager/text_to_bifs.c, which may lead to an out-of-bounds write condition. An attacker must execute this exploit locally, and there is a risk that the vulnerability could be publicly utilized. A patch addressing this issue is available and is advisable for users to apply immediately to safeguard their systems.

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Affected Version(s)

GPAC 2.0

GPAC 2.1

GPAC 2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1418 - Proof of Concept

References

https://vuldb.com/?id.342807
vdb-entrytechnical-description
https://vuldb.com/?ctiid.342807
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https://vuldb.com/?submit.736544
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kery Qi (VulDB User)
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