CVE-2025-62408

Name
CVE-2025-62408
Description
c-ares is an asynchronous resolver library. Versions 1.32.3 through 1.34.5 terminate a query after maximum attempts when using read_answer() and process_answer(), which can cause a Denial of Service. This issue is fixed in version 1.34.6.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618
CONFIRM https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5

Match rules

CPE URI Source package Min version Max version
c-ares > 1.32.3 < 1.34.6

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
c-ares edge-main 1.34.6-r0 Carlo Landmeter <clandmeter@alpinelinux.org> fixed
c-ares edge-main 1.34.5-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
c-ares edge-main 1.34.4-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
c-ares edge-main 1.34.3-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
c-ares 3.23-main 1.34.6-r0 Carlo Landmeter <clandmeter@alpinelinux.org> fixed
c-ares 3.22-main 1.34.6-r0 Carlo Landmeter <clandmeter@alpinelinux.org> fixed
c-ares 3.22-main 1.34.5-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
c-ares 3.21-main 1.34.6-r0 Carlo Landmeter <clandmeter@alpinelinux.org> fixed
c-ares 3.21-main 1.34.5-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
c-ares 3.21-main 1.34.3-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
c-ares 3.20-main 1.33.1-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable