ISC BIND 9.20.0 < 9.20.11 / 9.20.9-S1 < 9.20.11-S1 / 9.21.0 < 9.21.10 Assertion Failure (cve-2025-40777)

The version of ISC BIND installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the cve-2025-40777 advisory. - If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer- client-timeout set to 0 the...

Important: bind

Issue Overview: If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of...

CVE-2025-40777 vulnerabilities

Vulnerabilities for packages: bind...

SUSE SLED15 / SLES15 Security Update : bind (SUSE-SU-2025:02349-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:02349-1 advisory. - Upgrade to release 9.20.11 - CVE-2025-40777: Fixed a possible assertion failure when stale-answer-client-timeout is...

BELL-CVE-2025-40777

Bulletin has no description...

ISC BIND DoS Vulnerability (CVE-2025-40777) - Windows

ISC BIND is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:isc:bind"; if...

ISC BIND DoS Vulnerability (CVE-2025-40777) - Linux

ISC BIND is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:isc:bind"; if...

Slackware: Security Advisory (SSA:2025-197-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2025-40777

An assertion failure flaw has been discovered in bind. If a named caching resolver is configured with serve-stale-enable: yes, and with stale-answer-client-timeout set to 0, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of cach...

CVE-2025-40777

If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of cached or...

CVE-2025-40777 A possible assertion failure when 'stale-answer-client-timeout' is set to '0'

If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of cached or...

CVE-2025-40777

If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of cached or...

CVE-2025-40777 A possible assertion failure when 'stale-answer-client-timeout' is set to '0'

If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of cached or...

CVE-2025-40777

creationtimestamp| type| source ---|---|--- 2025-07-16 13:33:58+00:00| seen| https://bsky.app/profile/isc.org/post/3lu3jsy4gus2e 2025-07-16 17:17:23+00:00| seen| https://infosec.exchange/users/cR0w/statuses/114864045595352116 2025-07-16 20:29:29+00:00| seen| https://seclists.org/oss-sec/2025/q3/4...

CVE-2025-40777

If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of cached or...