20 matches found
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...
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
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...
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 '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...
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
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: Multiple Operations on Resource in Single-Operation Context
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...
Linux Distros Unpatched Vulnerability : CVE-2026-77860
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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' count...
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...
SUSE CVE-2026-41637
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...
CVE-2026-41637
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...
CVE-2026-41637 Degradation of resolution service from improperly accounted client-terminated DNS-over-QUIC queries
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...
EUVD-2026-47665
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...
CVE-2026-41637 Degradation of resolution service from improperly accounted client-terminated DNS-over-QUIC queries
In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...
PT-2026-63372
Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.22.0 through 1.25.1 Description Client terminated DNS-over-QUIC DoQ queries are not accounted for properly, leading to an inflation of the waiting number of replies for in-flight resolution queries. This causes a...
Debian dla-4280 : libunbound-dev - security update
The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4280 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4280-1 [email protected]...