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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 18.04 LTS
bind9 Not affected
isc-dhcp Needs evaluation
bind9-libs
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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, isc-dhcp, bind9-libs

Package 18.04 LTS
bind9 Needs evaluation
isc-dhcp Needs evaluation
bind9-libs
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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, thunderbird, mozjs38, mozjs52, mozjs68...

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

Package 18.04 LTS
firefox
thunderbird
mozjs38 Needs evaluation
mozjs52 Ignored
mozjs68
mozjs78
mozjs91
mozjs102
mozjs115
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CVE-2026-33412

Medium priority
Fixed

Vim is an open source, command line text editor. Prior to version 9.2.0202, a command injection vulnerability exists in Vim's glob() function on Unix-like systems. By including a newline character (\n) in a pattern passed to...

1 affected package

vim

Package 18.04 LTS
vim Fixed
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CVE-2026-23924

Medium priority
Needs evaluation

Zabbix Agent 2 Docker plugin does not properly sanitize the 'docker.container_info' parameters when forwarding them to the Docker daemon. An attacker capable of invoking Agent 2 can read arbitrary files from running Docker...

1 affected package

zabbix

Package 18.04 LTS
zabbix Needs evaluation
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CVE-2026-23921

Medium priority
Needs evaluation

A low privilege Zabbix user with API access can exploit a blind SQL injection vulnerability in include/classes/api/CApiService.php to execute arbitrary SQL selects via the sortfield parameter. Although query results are not...

1 affected package

zabbix

Package 18.04 LTS
zabbix Needs evaluation
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CVE-2026-23920

Medium priority
Needs evaluation

Host and event action script input is validated with a regex (set by the administrator), but the validation runs in multiline mode. If ^ and $ anchors are used in user input validation, an injected newline lets authenticated users...

1 affected package

zabbix

Package 18.04 LTS
zabbix Needs evaluation
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CVE-2026-23919

Medium priority
Needs evaluation

For performance reasons Zabbix Server/Proxy reuses JavaScript (Duktape) contexts (used in script items, JavaScript reprocessing, Webhooks). This can lead to confidentiality loss where a regular (non-super) Zabbix administrator...

1 affected package

zabbix

Package 18.04 LTS
zabbix Needs evaluation
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CVE-2026-32854

Medium priority
Needs evaluation

LibVNCServer versions 0.9.15 and prior (fixed in commit dc78dee) contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpProcessInput() in httpd.c that allow remote attackers to cause a denial of...

6 affected packages

libvncserver, vino, x11vnc, veyon, italc, tightvnc

Package 18.04 LTS
libvncserver Needs evaluation
vino Needs evaluation
x11vnc Needs evaluation
veyon
italc Needs evaluation
tightvnc Needs evaluation
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