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 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

Summary: CVE-2025-40777 affects ISC BIND 9 where a named caching resolver configured with serve-stale-enable=yes and stale-answer-client-timeout=0 can abort due to an assertion failure while resolving a CNAME chain. Affected versions include BIND 9.20.0–9.20.10, 9.21.0–9.21.9, and 9.20.9-S1–9.20....

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...

DEBIAN-CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

ALPINE-CVE-2025-5994

A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that support EDNS Client Subnet ECS. Unbound is also vulnerable when compiled with ECS support, i.e., '--enable-subnet', AND configured to send ECS information along with queries to...

ALPINE-CVE-2025-40776

A named caching resolver that is configured to send ECS EDNS Client Subnet options may be vulnerable to a cache-poisoning attack. This issue affects BIND 9 versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1, and 9.20.9-S1 through 9.20.10-S1...

CVE-2025-40776

A named caching resolver that is configured to send ECS EDNS Client Subnet options may be vulnerable to a cache-poisoning attack. This issue affects BIND 9 versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1, and 9.20.9-S1 through 9.20.10-S1...

CVE-2025-40776

A named caching resolver that is configured to send ECS EDNS Client Subnet options may be vulnerable to a cache-poisoning attack. This issue affects BIND 9 versions 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.37-S1, and 9.20.9-S1 through 9.20.10-S1...

PT-2025-29873

Name of the Vulnerable Software and Affected Versions BIND versions 9.20.0 through 9.20.10 BIND versions 9.21.0 through 9.21.9 BIND versions 9.20.9-S1 through 9.20.10-S1 Description If a named caching resolver is configured with serve-stale-enable set to yes, and with stale-answer-client-timeout...

Metasploit Wrap-Up 07/11/2025

Active Directory LDAP Library This week Metasploit added a library for working with Active Directory Domain Controllers over LDAP. The library consolidates common functionality and implements a caching mechanism to support common operations such as looking up objects by their DN, sAMAccountName, ...

Better Call routing bug can lead to Cache Deception

Summary Using a CDN that caches //.png, //.json, //.css, etc... requests, a cache deception can emerge. This could lead to unauthorized access to user sessions and personal data when cached responses are served to other users. Details The vulnerability occurs in the request processing logic where...

PT-2025-30365 · Npm · Better-Call

Summary Using a CDN that caches //.png, //.json, //.css, etc... requests, a cache deception can emerge. This could lead to unauthorized access to user sessions and personal data when cached responses are served to other users. Details The vulnerability occurs in the request processing logic where...

Cache Poisoning

Next.js is vulnerable to Cache Poisoning. The vulnerability is due to improper caching of HTTP 204 responses for static pages, which allows an attacker to poison the cache and cause the 204 response to be served to all users attempting to access the affected page...

SUSE CVE-2025-38097

In the Linux kernel, the following vulnerability has been resolved: espintcp: remove encap socket caching to avoid reference leak The current scheme for caching the encap socket can lead to reference leaks when we try to delete the netns. The reference chain is: xfrmstate - enacpsk - netns Since...

AZL-72584 CVE-2025-38097 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: espintcp: remove encap socket caching to avoid reference leak The current scheme for caching the encap socket can lead to reference leaks when we try to delete the netns. The reference chain is: xfrmstate - enacpsk - netns Since...

UBUNTU-CVE-2025-38097

In the Linux kernel, the following vulnerability has been resolved: espintcp: remove encap socket caching to avoid reference leak The current scheme for caching the encap socket can lead to reference leaks when we try to delete the netns. The reference chain is: xfrmstate - enacpsk - netns Since...

CVE-2025-38097

In the Linux kernel, CVE-2025-38097 concerns the espintcp encap socket cache. The vulnerability stems from the current caching of the encap socket, which can cause a reference leak in the netns when xfrm_state references are dropped out of order (xfrm_state -> encap_sk -> netns). If the net...

CVE-2025-38097 espintcp: remove encap socket caching to avoid reference leak

In the Linux kernel, the following vulnerability has been resolved: espintcp: remove encap socket caching to avoid reference leak The current scheme for caching the encap socket can lead to reference leaks when we try to delete the netns. The reference chain is: xfrmstate - enacpsk - netns Since...

CVE-2025-38097

In the Linux kernel, the following vulnerability has been resolved: espintcp: remove encap socket caching to avoid reference leak The current scheme for caching the encap socket can lead to reference leaks when we try to delete the netns. The reference chain is: xfrmstate - enacpsk - netns Since...