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CVE-2026-20691

Medium priority
Ignored

An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able...

5 affected packages

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

Package 18.04 LTS
qtwebkit-opensource-src Ignored
qtwebkit-source Ignored
webkit2gtk Ignored
webkitgtk Ignored
wpewebkit
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CVE-2026-20665

Medium priority
Ignored

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

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

Package 18.04 LTS
qtwebkit-opensource-src Ignored
qtwebkit-source Ignored
webkit2gtk Ignored
webkitgtk Ignored
wpewebkit
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CVE-2026-20664

Medium priority
Ignored

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

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

Package 18.04 LTS
qtwebkit-opensource-src Ignored
qtwebkit-source Ignored
webkit2gtk Ignored
webkitgtk Ignored
wpewebkit
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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 18.04 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, bind9-libs, isc-dhcp

Package 18.04 LTS
bind9 Not affected
bind9-libs
isc-dhcp 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, bind9-libs, isc-dhcp

Package 18.04 LTS
bind9 Not affected
bind9-libs
isc-dhcp 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, bind9-libs, isc-dhcp

Package 18.04 LTS
bind9 Not affected
bind9-libs
isc-dhcp Needs evaluation
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CVE-2026-1519

Medium priority
Needs evaluation

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, bind9-libs, isc-dhcp

Package 18.04 LTS
bind9 Needs evaluation
bind9-libs
isc-dhcp Needs evaluation
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CVE-2026-4371

Medium priority
Needs evaluation

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, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
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CVE-2026-3889

Medium priority
Needs evaluation

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

9 affected packages

firefox, mozjs102, mozjs115, mozjs38, mozjs52...

Package 18.04 LTS
firefox
mozjs102
mozjs115
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
thunderbird
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