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CVE-2026-4891

🗓️ 11 May 2026 16:47:33Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 27 Views

CVE-2026-4891 describes a heap-based out-of-bounds read in DNSSEC validation on Unix systems.

Related
Packages
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-4891
11 May 202616:47
–attackerkb
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Amazon Linux 2023 : dnsmasq, dnsmasq-utils (ALAS2023-2026-1729)
26 May 202600:00
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Amazon Linux 2 : dnsmasq, --advisory ALAS2DNSMASQ-2026-004 (ALASDNSMASQ-2026-004)
27 May 202600:00
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AlmaLinux 8 : dnsmasq (ALSA-2026:20589)
27 May 202600:00
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CentOS Linux 7.9 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-utils Multiple Vulnerabilities (ciqsa-2026_1468)
1 Oct 202600:00
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Rocky Linux 10.2 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (crlsa-2026_19158)
1 Oct 202600:00
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Rocky Linux 8.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1467)
1 Oct 202600:00
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Rocky Linux 8 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (crlsa-2026_20589)
1 Oct 202600:00
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Rocky Linux 9.4 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1387)
1 Oct 202600:00
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Rocky Linux 9.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1352)
1 Oct 202600:00
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian12alldnsmasq2.90-4~deb12u2dnsmasq_2.90-4~deb12u2_all.deb
Debian13alldnsmasq2.91-1+deb13u1dnsmasq_2.91-1+deb13u1_all.deb
Debian14alldnsmasq2.92-5dnsmasq_2.92-5_all.deb
Debian999alldnsmasq2.92-5dnsmasq_2.92-5_all.deb

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11 May 2026 16:47Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00836
SSVC
27