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c-ares: c-ares: Use-after-free / double-free in query-completion handling

🗓️ 07 Jul 2026 10:32:19Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

c-ares use-after-free in query completion via ares_getaddrinfo over TCP, causing crash and denial of service.

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Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2026-33630
6 Jul 202619:19
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Circl
CVE-2026-33630
6 Jul 202619:19
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CVE-2026-33630
6 Jul 202619:19
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Debian CVE
CVE-2026-33630
6 Jul 202619:19
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Fedora
[SECURITY] Fedora 44 Update: c-ares-1.34.7-1.fc44
10 Jul 202600:54
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Tenable Nessus
Fedora 44 : c-ares (2026-950a662010)
10 Jul 202600:00
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Tenable Nessus
Slackware Linux 15.0 / current c-ares Vulnerability (SSA:2026-187-01)
6 Jul 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-33630
7 Jul 202600:00
nessus
OSV
BELL-CVE-2026-33630
9 Jul 202614:53
osv
OSV
DEBIAN-CVE-2026-33630
7 Jul 202607:48
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64c-ares1.34.7-1.hum1c-ares-1.34.7-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64c-ares1.34.7-1.hum1c-ares-1.34.7-1.hum1.x86_64.rpm

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