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CVE-2026-34088

Medium priority
Needs evaluation

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

1 affected package

mediawiki

Package 26.04 LTS
mediawiki Needs evaluation
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CVE-2026-34087

Medium priority
Needs evaluation

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.

1 affected package

mediawiki

Package 26.04 LTS
mediawiki Needs evaluation
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CVE-2026-34086

Medium priority
Needs evaluation

Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2.

1 affected package

mediawiki

Package 26.04 LTS
mediawiki Needs evaluation
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CVE-2026-5172

Medium priority
Vulnerable

Heap OOB read resulting in segfault on crafted DNS packets.

1 affected package

dnsmasq

Package 26.04 LTS
dnsmasq Vulnerable
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CVE-2026-4893

Medium priority
Fixed

An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client subnet information.

1 affected package

dnsmasq

Package 26.04 LTS
dnsmasq Fixed
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CVE-2026-4892

Medium priority
Fixed

A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.

1 affected package

dnsmasq

Package 26.04 LTS
dnsmasq Fixed
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CVE-2026-4891

Medium priority
Vulnerable

Heap OOB read on crafted DNS packet when DNSSEC validation is enabled.

1 affected package

dnsmasq

Package 26.04 LTS
dnsmasq Vulnerable
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CVE-2026-4890

Medium priority
Fixed

A Denial of Service (DoS) vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.

1 affected package

dnsmasq

Package 26.04 LTS
dnsmasq Fixed
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CVE-2026-2291

Medium priority
Fixed

dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS.

1 affected package

dnsmasq

Package 26.04 LTS
dnsmasq Fixed
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CVE-2026-43826

Medium priority

Not in release

The OpenSearch logging provider, when configured with a `host` URL that embeds credentials (for example `https://user:password@server.example.com:9200`), wrote the full host URL — including the embedded credentials — into task...

1 affected package

opensearch

Package 26.04 LTS
opensearch Not in release
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