DescriptionuClibc-ng through 1.0.40 and uClibc through use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2.
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
uclibc (PTS)buster1.0.31-1vulnerable
sid, trixie, bookworm, bullseye1.0.35-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

src:uclibc switched to the uClibc-ng source codebase with the 1.0.20-1 upload.

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