Important: nginx

Issue Overview: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and...

Important: expat

Issue Overview: In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers. CVE-2026-56132 Affected Packages: expat Note: This advisory is applicable to...

Important: util-linux

Issue Overview: Integer Overflow or Wraparound in libblkid/src/partitions/dos.c CVE-2026-53615 Affected Packages: util-linux Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue...

Important: tigervnc

Issue Overview: A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. XkbSetMapChecks declares a fixed-size stack buffer mapWidths256 indexed by key type index. The helper function CheckKeyTypes writes to this buffer at a client-controlled offset, allowing a stack buffe...

Amazon Linux 2 : nginx, --advisory ALAS2NGINX1-2026-014 (ALASNGINX1-2026-014)

The version of nginx installed on the remote host is prior to 1.30.3-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NGINX1-2026-014 advisory. NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This...

Important: ruby

Issue Overview: Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in...

Amazon Linux 2 : containerd, --advisory ALAS2DOCKER-2026-135 (ALASDOCKER-2026-135)

The version of containerd installed on the remote host is prior to 2.1.9-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2026-135 advisory. x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name S...

Amazon Linux 2 : docker, --advisory ALAS2NITRO-ENCLAVES-2026-112 (ALASNITRO-ENCLAVES-2026-112)

The version of docker installed on the remote host is prior to 25.0.16-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2026-112 advisory. x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative...

Medium: containerd

Issue Overview: x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically bas...

Amazon Linux 2 : containerd, --advisory ALAS2NITRO-ENCLAVES-2026-114 (ALASNITRO-ENCLAVES-2026-114)

The version of containerd installed on the remote host is prior to 2.1.9-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2026-114 advisory. x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternativ...

Amazon Linux 2 : docker, --advisory ALAS2DOCKER-2026-134 (ALASDOCKER-2026-134)

The version of docker installed on the remote host is prior to 25.0.16-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2026-134 advisory. x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN...

Medium: containerd

Issue Overview: x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically bas...

Amazon Linux 2 : nerdctl, --advisory ALAS2-2026-3497 (ALAS-2026-3497)

The version of nerdctl installed on the remote host is prior to 2.2.2-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3497 advisory. x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN...

Amazon Linux 2 : ecs-init, --advisory ALAS2ECS-2026-127 (ALASECS-2026-127)

The version of ecs-init installed on the remote host is prior to 1.105.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-127 advisory. Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 Parsing...

Amazon Linux 2 : log4j-cve-2021-44228-hotpatch (ALAS-2026-3784)

The version of log4j-cve-2021-44228-hotpatch installed on the remote host is prior to 1.3-9. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3784 advisory. An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters. CVE-2026-85656 Affecte...

Medium: opensc

Issue Overview: A flaw has been found in OpenSC up to 0.26.1. This affects the function testkpgencertwrite of the file src/tools/pkcs11-tool.c of the component pkcs11-tool Key Generation Module. This manipulation causes buffer overflow. The attack is possible to be carried out remotely. The...

Important: expat

Issue Overview: libexpat before 2.8.2 has an integer overflow in storeAtts. CVE-2026-56403 libexpat before 2.8.2 has an integer overflow in XMLParseBuffer because it lacked a check that was present in XMLParse. CVE-2026-56406 libexpat before 2.8.2 has an integer overflow in doProlog that is relat...

Important: expat

Issue Overview: In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers. CVE-2026-56132 Affected Packages: expat Issue Correction: Run dnf update expat...

Important: util-linux

Issue Overview: Integer Overflow or Wraparound in libblkid/src/partitions/dos.c CVE-2026-53615 Affected Packages: util-linux Issue Correction: Run dnf update util-linux --releasever 2023.12.20260706 or dnf update --advisory ALAS2023-2026-1916 --releasever 2023.12.20260706 to update your system...