CVE-2026-0915

Name	CVE-2026-0915
Description	Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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 Package	Release	Version	Status
glibc (PTS)	bullseye	2.31-13+deb11u11	vulnerable
	bullseye (security)	2.31-13+deb11u13	vulnerable
	bookworm	2.36-9+deb12u13	vulnerable
	bookworm (security)	2.36-9+deb12u7	vulnerable
	trixie	2.41-12+deb13u1	vulnerable
	forky, sid	2.42-7	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
glibc	source	(unstable)	(unfixed)

https://sourceware.org/bugzilla/show_bug.cgi?id=33802