IPSec provides enriched information to indicate if IPsec encryption or decryption using libreswan was successful or not

A serious security vulnerability has been discovered in Red Hat's NetworkManager-libreswan plugin that could allow local attackers to escalate privileges and gain root access to Linux systems.

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IPSec provides enriched information to indicate if IPsec encryption or decryption using libreswan was successful or not

Security updates have been issued by **AlmaLinux** (fence-agents, gstreamer1-plugins-good, kernel, kernel-rt, p11-kit, perl-Archive-Tar, perl-DBI, and thunderbird), **Debian** (aom, botan3, and kernel), **Fedora** (abrt, coreutils, doctl, kernel, open62541, perl, perl-Devel-Cover, perl-PAR-Packer, and polymake), **Mageia** (acl and php), **Oracle** (firefox, frr, kernel, libreswan, nodejs-nodemon, nodejs22, perl-Archive-Tar, php:7.4, php:8.2, rsync, and thunderbird), **Red Hat** (compat-libtiff3, libpq, libtiff, postgresql, postgresql16, postgresql18, postgresql:12, postgresql:13, postgresql:15, postgresql:16, and postgresql:18), **Slackware** (stunnel), and **SUSE** (alloy, alsa, bind, chromedriver, corepack24, ffmpeg-4, golang-github-prometheus-prometheus, google-guest-agent, google-osconfig-agent, kubevirt, libgcrypt, libpng16, multipath-tools, netty, netty-tcnative, nodejs26, openssl-1_1, openssl-3, perl-HTTP-Tiny, perl-YAML-Syck, podman, python-sh, python-ujson, rsyslog, spice-vdagent, thrift, valkey, wpa_supplicant, and xen).

Security updates have been issued by **AlmaLinux** (frr, ldns, mingw-glib2, and perl-Archive-Tar), **Debian** (ruby2.7), **Fedora** (borgbackup, nebula, python-nh3, rust-ammonia, and seamonkey), **Mageia** (librabbitmq, libvncserver, packages, perl, perl-GD, perl-Unicode-LineBreak, squid, and unbound), **Oracle** (compat-libtiff3, frr, gstreamer1-plugins-good, javapackages-tools:201801, libreswan, nodejs:22, nodejs:24, p11-kit, perl-Archive-Tar, perl-DBI, php, pki-deps:10.6, and python-tornado), and **SUSE** (aws-iam-authenticator, bind, containerd, gawk, google-cloud-sap-agent, ignition, ImageMagick, java-11-openjdk, libpng16, libssh, mcphost, nginx, openssh, openssl-1_1, perl-DBI, perl-HTTP-Date, perl-Net-DNS, python-urwid, python3-dulwich, python312, python313, python3, python313-pydantic, python313-sentry-sdk, rrdtool, s390-tools, samba, spice-vdagent, vim, and xen).

Security updates have been issued by **AlmaLinux** (gstreamer1-plugins-bad-free, libtiff, libXfont2, nodejs:22, nodejs:24, and rest), **Debian** (expat and nss), **Fedora** (libssh, nginx, nginx-mod-brotli, nginx-mod-fancyindex, nginx-mod-headers-more, nginx-mod-modsecurity, nginx-mod-naxsi, nginx-mod-vts, nodejs24, perl-HTTP-Date, proftpd, squid, unbound, and wordpress), **Oracle** (c-ares, edk2, freerdp, go-fdo-server, libreswan, mariadb-connector-c, and nginx), **SUSE** (alloy, apache-commons-lang3, google-guice, maven, maven-resolver, xmvn, apache-sshd, apptainer, avahi, distribution, glib2, go1.26-openssl, go1.25-openssl, go1.24-openssl, go1.23-openssl, go1.22-openssl, go1.26, go1.25, go1.24, go1.23, go1.22, go1.21, gstreamer-plugins-bad, helm, ImageMagick, java-17-openjdk, java-25-openjdk, liboqs, oqs-provider, libssh, nginx, nm-configurator, nmap, openssl-3, openvpn, PackageKit, perl, perl-DBI, perl-HTTP-Date, perl-XML-Bare, python-msgpack-python, python-sh, python-ujson, python-urllib3, runc, samba, sssd, wget, wpa_supplicant, and xen), and **Ubuntu** (linux-nvidia, linux-nvidia-7.0 and linux-nvidia-6.17).

Security updates have been issued by **AlmaLinux** (grafana and libreswan), **Debian** (openjdk-11 and openjdk-17), **Fedora** (opkssh, perl-Mojolicious, and rpm), **Mageia** (libyang, memcached, nginx, packages, and sqlite3), **Oracle** (.NET 8.0, acl, buildah, compat-openssl11, compat-poppler022, dogtag-pki, git-lfs, glibc, go-fdo-client, golang, httpd:2.4, jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base, kernel, libpq, LibRaw, maven:3.8, mysql8.4, nodejs:22, nodejs:24, openssl, podman, poppler, python3.14, samba, sssd, tomcat, tomcat9, vim, and yggdrasil), **Red Hat** (gstreamer1-plugins-bad-free), **SUSE** (afterburn, alsa, apache-ivy, avahi, aws-nitro-enclaves-cli, chromium, cifs-utils, cockpit, cockpit-machines, cockpit-packages, cockpit- podman, cockpit-repos, cockpit-subscriptions, containerd, curl, docker-compose, freetype2, gawk, glib2, google-cloud-sap-agent, gpg2, gstreamer-plugins-bad, gzip, helm, ignition, ImageMagick, jackson-annotations, jackson-bom, jackson-core, jackson- databind, jackson-dataformats-binary, jackson-modules-base, jackson-annotations, jackson-core, jackson-databind, java-11-openjdk, jline3, joe, jq, kernel, libgcrypt, libknet-devel, libsoup, libxml2, mariadb-connector-c, mcphost, net-tools, nghttp2, opennlp, openssl-1_0_0, PackageKit, pam, patch, pcr-oracle, perl, perl-DBI, perl-HTTP-Date, python-aiohttp, python-cryptography, python-Pillow, python-pyasn1, python-soupsieve, python-tornado, python-tornado6, python-urllib3, python3, radvd, rust-keylime, s390-tools, shibboleth-sp, sssd, systemd, tiff, vim, and wpa_supplicant), and **Ubuntu** (FreeIPMI, glibc, linux-aws, linux-aws, linux-raspi, linux-aws-6.8, linux-aws-fips, linux-azure, linux-azure-6.8, linux-azure, linux-oracle, linux-azure-5.15, linux-azure-fde-5.15, linux-oracle-5.15, linux-azure-6.17, linux-azure-fde, linux-azure-fde-6.17, linux-azure-fde-6.8, linux-azure-fips, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-nvidia-tegra, linux-xilinx, linux-oracle-6.17, roc-toolkit, and samba).

Security updates have been issued by **Debian** (chromium, hplip, and linux-6.1), **Fedora** (firefox, GitPython, google-osconfig-agent, lego, libgit2, libreswan, libwebsockets, moby-engine, p11-kit, pam, python-idna, rust-libgit2-sys, skopeo, systemd, trafficserver, webkitgtk, and xrdp), **Mageia** (giflib, graphite2, libnfs, vorbis-tools, wget, and yelp), **Red Hat** (firefox, thunderbird, and webkit2gtk3), and **SUSE** (amazon-ecs-init, chromedriver, ffmpeg-7, ffmpeg-8, firefox, google-osconfig-agent, gpg2, java-17-openjdk, java-25-openjdk, kernel, libsrt1_5, nginx, perl-HTTP-Date, perl-XML-Bare, proftpd, python-pyasn1, python-soupsieve, python313-astropy, python313-urwid, systemd, thunderbird, and trivy).

Libreswan, via the function RSA_authenticate_hash_signature_pkcs1_1_5_rsa(), did not correctly verify the DER encoding of the ASN.1 digest when the IKEv2 AUTH payload was encoded using RSASSA-PKCS1-v1_5 (RFC 8017). A remote attacker can use a variation on the Bleichenbacher attack to forge the AUTH

Libreswan, via the function RSA_authenticate_hash_signature_raw_rsa(), did not correctly verify the length of the authentication hash when the SIG payload of an IKEv1 packet was encoded using PKCS #1 RSA Encryption as per RFC 2313. A remote attacker can use a variation on the Bleichenbacher attack t

Security updates have been issued by **AlmaLinux** (capstone, fence-agents, gimp, glib2, hplip, httpd, jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base, libtiff, maven:3.8, pacemaker, python3.14, and webkit2gtk3), **Debian** (samba), **Fedora** (c-ares, dnsx, freerdp, gpsd, libreswan, libseccomp, libtiff, mingw-python-idna, mingw-python-pip, openssh, python-pillow, wget1, and wireshark), **Mageia** (golang, graphicsmagick, haveged, libssh2, nginx, nilfs-utils, perl-CGI-Session, perl-Imager, perl-JavaScript-Minifier-XS, php, php8.4, php8.5, python-nltk, sqlite3, and xmlstarlet), **Oracle** (.NET 10.0, .NET 9.0, container-tools:ol8, firefox, giflib, glibc, go-fdo-client, go-fdo-server, golang-github-openprinting-ipp-usb, grafana, grafana-pcp, hplip, httpd, image-builder, kernel, libtiff, mod_http2, pacemaker, perl-DBI:1.641, perl-HTTP-Daemon, php:8.2, python-markdown, ruby4.0, systemd, and thunderbird), **Red Hat** (buildah, container-tools:rhel8, dracut, golang-github-openprinting-ipp-usb, libtiff, osbuild-composer, python-urllib3, python3.12-urllib3, python3.14-urllib3, and runc), **SUSE** (389-ds, chromedriver, gstreamer-plugins-bad, libreoffice, libsuricata8_0_6, podman, python311, and sssd), and **Ubuntu** (apache2, freerdp3, freetype, libde265, libxfont, linux, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-realtime, linux-realtime-6.8, linux, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-realtime, linux-xilinx-zynqmp, linux, linux-gcp, linux-gke, linux-realtime, linux-gcp-6.17, linux-realtime-6.17, linux-gcp-fips, linux-hwe-7.0, linux-nvidia-tegra-5.15, linux-oem-7.0, nginx, php8.1, php8.3, php8.5, rlottie, sqlite3, and wget).