CVE-2025-2338: tbeu matio io.c strdup_vprintf heap-based overflow

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-03-16 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability, which was classified as critical, was found in tbeu matio 1.5.28. Affected is the function strdup_vprintf of the file src/io.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

tbeu matio: 1.5.28

References

https://github.com/tbeu/matio/issues/269
https://github.com/tbeu/matio/issues/269#issue-2883920922
https://vuldb.com/?ctiid.299802
https://vuldb.com/?id.299802
https://vuldb.com/?submit.510781
https://github.com/tbeu/matio/issues/269#issue-2883920922

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