CVE-2019-13951

NameCVE-2019-13951
DescriptionThe set_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gdnsd (PTS)buster2.4.3-1fixed
bullseye3.5.2-1fixed
bookworm3.8.1-1fixed
sid, trixie3.8.2-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gdnsdsource(unstable)(not affected)

Notes

- gdnsd <not-affected> (Vulnerable code not present, introduced in 3.x)
https://github.com/gdnsd/gdnsd/issues/185
No security impact, data is under administrative control
Introduced in https://github.com/gdnsd/gdnsd/commit/15715fc30d5e41e53d4a16d2434fc5c3190e129b
Patches: https://github.com/gdnsd/gdnsd/issues/185#issuecomment-513288786

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