RLSA-2026:75577 Important: bind security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

CLEANSTART-2025-JX38595 c-ares is an asynchronous resolver library

Security vulnerability affects the c-ares package. c-ares is an asynchronous resolver library...

CLEANSTART-2026-XI18569 c-ares is an asynchronous resolver library

Security vulnerability affects the c-ares package. c-ares is an asynchronous resolver library...

AlmaLinux 9.2 [TuxCare] Security Update: c-ares / c-ares-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1744721593)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1744721593 advisory. - c-ares is an asynchronous resolver library. When cross-compiling c-ares and using the autotools build system, CARESRANDOMFILE will...

[SECURITY] Fedora 45 Update: bind-9.18.50-34.fc45

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

ALPINE-CVE-2026-33630

c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while the query is still linked in the channel's internal lookup structures — is present at multiple poin...

AZL-99093 CVE-2026-33630 affecting package fluent-bit for versions less than 3.1.10-7

c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while the query is still linked in the channel's internal lookup structures — is present at multiple poin...

EUVD-2026-70664

c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while the query is still linked in the channel's internal lookup structures — is present at multiple poin...

CVE-2026-33630

c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while the query is still linked in the channel's internal lookup structures — is present at multiple poin...

CVE-2026-33630: Double Free

c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while the query is still linked in the channel's internal lookup structures — is present at multiple poin...

[SECURITY] Fedora 44 Update: bind-9.18.50-2.fc44

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

[SECURITY] Fedora 43 Update: bind-9.18.50-2.fc43

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

ALSA-2026:54654 Important: bind security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

[SECURITY] Fedora 43 Update: bind9-next-9.21.22-2.fc43

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

[SECURITY] Fedora 44 Update: bind9-next-9.21.22-2.fc44

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

[SECURITY] Fedora 44 Update: bind9-next-9.21.20-1.fc44

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Security Bulletin: Use-After-Free Vulnerability in c-ares read_answers() Function (v1.32.3–v1.34.4) affects watsonx.data

Summary CVE-2025-31498 - A use-after-free vulnerability exists in c-ares v1.32.3–v1.34.4 within the readanswers function. It can occur when processanswer re-enqueues queries under certain DNS conditions, potentially leading to crashes or unexpected behavior. This can affect watsonx.data...

[SECURITY] Fedora 42 Update: bind9-next-9.21.20-1.fc42

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

[SECURITY] Fedora 43 Update: bind9-next-9.21.20-1.fc43

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

[SECURITY] Fedora 44 Update: bind-9.18.47-1.fc44

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...