CVE-2026-42534 Jostle logic bypass degrades resolution performance

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its purpose and degrade resolution performance. Retransmits of the same query could renew the age of slow running queries and not allow the jostle logic to see them as aged and potentia...

EUVD-2026-31082

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its purpose and degrade resolution performance. Retransmits of the same query could renew the age of slow running queries and not allow the jostle logic to see them as aged and potentia...

CVE-2026-42534

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its purpose and degrade resolution performance. Retransmits of the same query could renew the age of slow running queries and not allow the jostle logic to see them as aged and potentia...

CVE-2026-42534

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that can degrade DNS resolution performance and, under coordinated attack, lead to denial of service. An adversary controlling a slow or malicious DNS server can cause duplicate slow queries to skew agin...

CVE-2026-42534 Jostle logic bypass degrades resolution performance

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its purpose and degrade resolution performance. Retransmits of the same query could renew the age of slow running queries and not allow the jostle logic to see them as aged and potentia...

CVE-2026-42534

NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its purpose and degrade resolution performance. Retransmits of the same query could renew the age of slow running queries and not allow the jostle logic to see them as aged and potentia...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Make sure to refresh masterdev/mops in rtnlnewlink. While looking at one unrelated syzbot bug, I found that the replay logic in rtnlnewlink could potentially trigger a use-after-free condition. It’s better to clear...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: erofs: Avoid infinite loops caused by corrupted subpage compact indexes. Robert reported an infinite loop observed in two crafted images. The root cause is that clusterofs can be larger than lclustersize for !NONHEAD lclusters...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue was addressed through improved checks. This issue is fixed in Safari 16.2, tvOS 16.2, iCloud for Windows 14.1, macOS Ventura 13.1, iOS 16.2, and iPadOS 16.2, as well as watchOS 9.2. Processing maliciously crafted web content may disclose sensitive user information...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the masking negation logic when dealing with a negative dst register. The negation logic for the case where the offreg is stored in the dst register is incorrect; therefore, we cannot simply invert the addition operati...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/iova: Fixed the issue where alloc iova overflows occurred. In allocandinsertiovarange, there is a issue where retrypfn overflows. The value of iovad-anchor.pfnhi is 0UL. When iovad-cachednode equals iovad-anchor,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a situation where a double free of the qgroup record occurred after attempting to add a delayed ref head failed. In the previous code, it was possible for a double kfree scenario to occur when calling...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rcv: fixed the runtime constant support for nommu kernels The runtimefixup32 function does not handle the case where val is zero correctly as may occur when patching a nommu kernel and referring to a physical address below the 4G...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been addressed through improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4, and iPadOS 14.4. A remote attacker may be able to execute arbitrary code. Apple is aware of a report indicating...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: A retry logic was added in net6rtnotify. inet6rtnotify can only be called under RCU protection. This means that the route may be changed concurrently, and rt6fillnode might return -EMSGSIZE. The skb should be resized whe...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been resolved through improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6, iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, and watchOS 7.5. A malicious website may be able to access restricted ports on arbitrary servers...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The abort logic in btrfsreplacefileextents has been fixed. Error injection testing uncovered a case where a corrupt file system could occur, with an missing extent in the middle of a file. This occurs because the if...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been resolved through improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8, iPadOS 14.8, tvOS 15, Safari 15, and watchOS 8. An attacker in a privileged network position may be able to bypass HSTS...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been resolved through improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1, iPadOS 15.1, watchOS 8.1, and tvOS 15.1. Processing maliciously crafted web content may lead to unexpected unenforced Content Security Policies...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been resolved through improved checks. This issue is fixed in iOS 17.1 and iPadOS 17.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Sonoma 14.1, Safari 17.1, and tvOS 17.1. Processing web content may lead to arbitrary code execution...