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CVE-2026-20665

Medium priority
Vulnerable

This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4....

5 affected packages

webkitgtk, webkit2gtk, qtwebkit-source, qtwebkit-opensource-src, wpewebkit

Package 22.04 LTS
webkitgtk Not in release
webkit2gtk Vulnerable
qtwebkit-source Not in release
qtwebkit-opensource-src Ignored
wpewebkit Ignored
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CVE-2026-20664

Medium priority
Vulnerable

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.

5 affected packages

webkitgtk, webkit2gtk, qtwebkit-source, qtwebkit-opensource-src, wpewebkit

Package 22.04 LTS
webkitgtk Not in release
webkit2gtk Vulnerable
qtwebkit-source Not in release
qtwebkit-opensource-src Ignored
wpewebkit Ignored
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CVE-2026-3608

Medium priority
Needs evaluation

Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any configured API socket or HA listener can cause the receiving daemon to exit with a stack overflow error. This...

1 affected package

isc-kea

Package 22.04 LTS
isc-kea Needs evaluation
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CVE-2026-3591

Medium priority
Needs evaluation

A use-after-return vulnerability exists in the `named` server when handling DNS queries signed with SIG(0). Using a specially-crafted DNS request, an attacker may be able to cause an ACL to improperly (mis)match an IP address. In...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package 22.04 LTS
bind9 Not affected
isc-dhcp Not affected
bind9-libs Needs evaluation
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CVE-2026-3119

Medium priority
Needs evaluation

Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package 22.04 LTS
bind9 Not affected
isc-dhcp Not affected
bind9-libs Needs evaluation
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CVE-2026-3104

Medium priority
Needs evaluation

A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package 22.04 LTS
bind9 Not affected
isc-dhcp Not affected
bind9-libs Needs evaluation
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CVE-2026-1519

Medium priority

Some fixes available 1 of 2

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where...

3 affected packages

bind9, isc-dhcp, bind9-libs

Package 22.04 LTS
bind9 Fixed
isc-dhcp Not affected
bind9-libs Needs evaluation
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CVE-2026-4371

Medium priority
Vulnerable

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
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CVE-2026-3889

Medium priority
Vulnerable

Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 22.04 LTS
firefox Not affected
thunderbird Vulnerable
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Ignored
mozjs91 Ignored
mozjs102 Ignored
mozjs115 Not in release
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CVE-2026-33215

Medium priority

Not in release

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server provides an MQTT client interface. Prior to versions 2.11.15 and 2.12.5, Sessions and Messages can by hijacked via...

1 affected package

nats-server

Package 22.04 LTS
nats-server Not in release
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