CVE-2023-49287 — TinyDir is a lightweight C directory and file reader

TinyDir is a lightweight C directory and file reader. Buffer overflows in the `tinydir_file_open()` function. This vulnerability has been patched in version 1.2.6.

01What is this vulnerability?

TinyDir is a lightweight C directory and file reader. Buffer overflows in the `tinydir_file_open()` function. This vulnerability has been patched in version 1.2.6.

02Affected products

Vendor	Product	Versions
cxong	tinydir	< 1.2.6

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-04T05:29:10.673Z
• Last modified: 2025-05-29T13:54:57.520Z

09References

• github.com — https://github.com/cxong/tinydir/security/advisories/GHSA-jf5r-wgf4-qhxf
• github.com — https://github.com/cxong/tinydir/releases/tag/1.2.6
• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/12/04/1
• packetstormsecurity.com — http://packetstormsecurity.com/files/176060/TinyDir-1.2.5-Buffer-Overflow.html
• seclists.org — http://seclists.org/fulldisclosure/2023/Dec/14