Skip to content
Fencer Vulns
high 7.7

CVE-2023-49287 json

Buffer overflow vulnerabilities in tinydir

published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53280

cvss
7.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

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.

Patch / fix

  • cxong tinydir 1.2.6
  • gemmi Debian 14, Debian 13 0.6.4+ds-1
  • falcosecurity-libs Debian 14, Debian 13 0.14.1-1

debian advisories DEBIAN-CVE-2023-49287

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-49287 updated cvss 7.7

tinydir: stack-based buffer overflow in tinydir_file_open()

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/cxong/tinydir/security/advisories/GHSA-jf5r-wgf4-qhxf referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/176060/TinyDir-1.2.5-Buffer-Overflow.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • cxong tinydir

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.