66 matches found
Astra Linux – Vulnerability in unbound
The DNS protocol in RFC 1035 and its updates allows remote attackers to cause a denial of service resource consumption by arranging for DNS queries to be accumulated over seconds. As a result, responses are sent in a pulsing burst, which can be considered traffic amplification in some cases. This...
Rocky Linux 10.2 [CIQ] Security Update: python3-unbound / python3-unbound-debuginfo / unbound / etc Multiple Vulnerabilities (crlsa-2026_18556)
The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202618556 advisory. unbound: DNSBomb vulnerability CVE-2024-33655 unbound: Unbound domain hijacking via promiscuous records CVE-2025-11411 Tenable has extracted the...
Rocky Linux 9.6 [TuxCare] Security Update: python3-unbound / unbound / unbound-devel / unbound-dracut / etc (ALMALINUX9.6:CLSA-2026:1780912053)
The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1780912053 advisory. - The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service resource consumption by arranging for DNS...
AlmaLinux 9.6 [TuxCare] Security Update: python3-unbound / unbound / unbound-devel / unbound-dracut / etc (ALMALINUX9.6:CLSA-2026:1780912053)
The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1780912053 advisory. - The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service resource consumption by arranging for DNS...
Rocky Linux 9 [CIQ] Security Update: python3-unbound / python3-unbound-debuginfo / unbound / etc Multiple Vulnerabilities (crlsa-2026_18931)
The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202618931 advisory. unbound: DNSBomb vulnerability CVE-2024-33655 unbound: Unbound domain hijacking via promiscuous records CVE-2025-11411 Tenable has extracted the preceding...
SUSE CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CentOS 9 : unbound-1.26.1-1.el9
"The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the unbound-1.26.1-1.el9 build changelog. - In NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in that can progressively corrupt heap memory and under...
CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
AZL-101718 CVE-2026-77860 affecting package unbound for versions less than 1.26.1-1
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
DEBIAN-CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
UBUNTU-CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860 'serve-expired' can bypass Unbound 'wait-limit'
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
EUVD-2026-80286
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860 'serve-expired' can bypass Unbound 'wait-limit'
In NLnetLabs Unbound 1.20.0 up to and including 1.26.0, a vulnerability on the 'serve-expired' code path can cause a double decrement on the 'wait-limit' counter per client IP essentially bypassing one of the counter measures that was introduced for DNSBomb CVE-2024-33655. A malicious actor can...
CVE-2026-77860
NLnetLabs Unbound versions 1.20.0 through 1.26.0 are affected by a double-decrement flaw in the serve-expired code path that causes the per-client wait-limit counter to be decremented twice. An attacker controlling an authoritative zone with short TTLs can alternate "slow" queries (never answered...
PT-2026-93368
Name of the Vulnerable Software and Affected Versions NLnetLabs Unbound versions 1.20.0 through 1.26.0 Description A flaw in the 'serve-expired' code path allows a double decrement of the wait-limit counter per client IP. An attacker can exploit this by controlling an authoritative zone with shor...