CVE-2026-0915
getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler
Summary
getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-0915 glibc Fixed in: 2.31-13+deb11u14
- Ubuntu UBUNTU-CVE-2026-0915 eglibc
References
- advisory github.com
- advisory nvd.nist.gov
- report sourceware.org
- web openwall.com