278 matches found
USN-8402-1 systemd vulnerabilities
It was discovered that systemd-nspawn incorrectly handled certain optional configuration files. A local attacker could possibly use this issue to escape to the host system and execute arbitrary code. CVE-2026-40226 It was discovered that systemd-resolved incorrectly validated DNSSEC records for...
Security update for unbound
This update for unbound fixes the following issues CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. CVE-2026-40622: "Ghost domain name" variant bsc1265581. CVE-2026-41292: Parsing a long list of incoming...
USN-8282-2: Unbound vulnerabilities
USN-8282-1 fixed vulnerabilities in Unbound. This update provides the corresponding updates for CVE-2026-41292 in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS and CVE-2026-42959, CVE-2026-42960 in Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: Andr...
Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-10.3.1.9)
The version of AHV installed on the remote host is prior to 10.3.1.9 / AHV-10.3.1.9. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-10.3.1.9 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line...
SUSE-SU-2026:21874-1 Security update for unbound
This update for unbound fixes the following issues - CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. - CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. - CVE-2026-40622: "Ghost domain name" variant bsc1265581. - CVE-2026-41292: Parsing a long list of...
Amazon Linux 2 : dnsmasq, --advisory ALAS2DNSMASQ-2026-004 (ALASDNSMASQ-2026-004)
The version of dnsmasq installed on the remote host is prior to 2.90-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DNSMASQ-2026-004 advisory. A Denial of Service DoS vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial o...
dnsmasq: RRSIG rdlen underflow leading to heap OOB read
A heap out-of-bounds read vulnerability was discovered in dnsmasq's DNSSEC validation. When processing RRSIG records, dnsmasq calculates the signature length by subtracting the fixed field size from the record's declared data length. A crafted RRSIG record with a data length smaller than the fixe...
dnsmasq security update
2.79-36 - Prevent overflow in extractname function CVE-2026-2291 - Prevent DoS in DNSSEC validation CVE-2026-4890 - Prevent out-of-bounds read in DNSSEC validation CVE-2026-4891 - Prevent out-of-bounds write in DHCPv6 server CVE-2026-4892 - Prevent source check avoidance by RFC 7871 client-subnet...
TencentOS Server 3: bind9.16 (TSSA-2026:0359)
The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0359 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...
USN-8282-1 unbound vulnerabilities
Andrew Griffiths discovered that Unbound did not properly handle certain DNSCrypt packets. A remote attacker could possibly use this issue to cause Unbound to crash, resulting in a denial of service. CVE-2026-32792 Qifan Zhang discovered that Unbound incorrectly handled DNSSEC validation in certa...
CVE-2026-33278 Possible arbitrary code execution during DNSSEC validation
NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...
CVE-2026-33278
NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. An adversary can exploit the...
SUSE-SU-2026:21733-1 Security update for dnsmasq
This update for dnsmasq fixes the following issues Security issues: - CVE-2026-2291: dnsmasq can be abused to record false cached data enabling DoS or attacker redirect bsc1258251. - CVE-2026-4890: DoS vulnerability in the DNSSEC validation bsc1265001. - CVE-2026-4891: heap-based out-of-bounds re...
SUSE-SU-2026:1934-1 Security update for dnsmasq
This update for dnsmasq fixes the following issues Security issues: - CVE-2026-4890: DoS vulnerability in the DNSSEC validation bsc1265001. - CVE-2026-4891: heap-based out-of-bounds read vulnerability in the DNSSEC validation bsc1265002. - CVE-2026-4892: heap-based out-of-bounds write vulnerabili...
Updated dnsmasq packages fix security vulnerabilities
CVE-2026-2291: dnsmasqs extractname 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. CVE-2026-4890: A Denial of Service DoS...
SUSE-SU-2026:21640-1 Security update for dnsmasq
This update for dnsmasq fixes the following issues Security issues: - CVE-2026-2291: dnsmasq can be abused to record false cached data enabling DoS or attacker redirect bsc1258251. - CVE-2026-4890: DoS vulnerability in the DNSSEC validation bsc1265001. - CVE-2026-4891: heap-based out-of-bounds re...
SUSE-SU-2026:21788-1 Security update for dnsmasq
This update for dnsmasq fixes the following issues Security issues: - CVE-2026-2291: dnsmasq can be abused to record false cached data enabling DoS or attacker redirect bsc1258251. - CVE-2026-4890: DoS vulnerability in the DNSSEC validation bsc1265001. - CVE-2026-4891: heap-based out-of-bounds re...
OPENSUSE-SU-2026:20748-1 Security update for dnsmasq
This update for dnsmasq fixes the following issues Security issues: - CVE-2026-2291: dnsmasq can be abused to record false cached data enabling DoS or attacker redirect bsc1258251. - CVE-2026-4890: DoS vulnerability in the DNSSEC validation bsc1265001. - CVE-2026-4891: heap-based out-of-bounds re...
CVE-2026-4890
Dnsmasq is affected by CVE-2026-4890, a DoS vulnerability in DNSSEC validation. The issue is described as an infinite-loop flaw in DNSSEC validation, which can cause the dnsmasq service to crash or become unresponsive when processing a crafted DNS response. Affected component: dnsmasq’s DNSSEC va...