CVE-2024-34244

NameCVE-2024-34244
Descriptionlibmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1071633

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libmodbus (PTS)buster3.1.4-2+deb10u1vulnerable
buster (security)3.1.4-2+deb10u2vulnerable
bullseye3.1.6-2vulnerable
bookworm3.1.6-2.1vulnerable
sid, trixie3.1.10-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libmodbussource(unstable)(unfixed)1071633

Notes

[bookworm] - libmodbus <no-dsa> (Minor issue)
[bullseye] - libmodbus <no-dsa> (Minor issue)
[buster] - libmodbus <postponed> (Minor issue; out-of-bounds read, DoS)
https://github.com/stephane/libmodbus/issues/743

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