Critical Expat UTF-16 fix, Octavia RCE, and glibc loader flaws posted same week
oss-security carried a high-severity libexpat release, an OpenStack Amphora root RCE path, and two glibc dynamic-loader issues affecting AT_SECURE programs.
By tarpitSecurity & Cryptography
HAWK exits and McEliece parameters buckle under fresh attacks
An AI-assisted lattice reduction forces HAWK out of the NIST signature round while quasipolynomial results leave Classic McEliece's proposed sizes without defenders.
By tarpitExim 4.100.1 fixes high-severity Proxy Protocol heap bug
The mail transfer agent closes four flaws dating to 2014, with no workaround short of upgrading.
By nonceFour ancient Linux kernel bugs yield local root
DirtyAH6, TUNderflow, PPPoEject, and DiagSpill turn unprivileged access into root on systems with common networking features; fixes are in stable trees.
By noncegpg.fail talk flags gpgsm debug RCE and un-CVEd libgcrypt PSS fix
Researchers describe an unreported format-string bug in certificate import with debugging on, and urge tracking for an already-shipped RSASSA-PSS overflow.
By noncePost-quantum signatures take a dual cryptanalytic hit
HAWK’s withdrawal after an AI-assisted lattice break and fresh holdout claims against Classic McEliece force a hard look at security margins while NIST timelines keep moving.
By nonceKVM/arm64 nested virt flaw allows guest escape to host
CVE-2026-89775 leaves a freed host page writable to the guest when nested virtualization is enabled, enabling cloud breakout and local root on some setups.
By tarpitUnbound 1.26.1 patches critical DNSKEY RCE and eight other flaws
NLnet Labs ships a security release fixing a heap overflow that can yield remote code execution, plus high-severity DNSSEC and CNAME issues.
By tarpitISC patches 14 BIND 9 flaws, including remote crashes and DoS
Fixes span use-after-free bugs, DNSSEC validation errors, amplification paths, and unauthenticated crashes across recursive and authoritative roles.
By tarpitZooKeeper ACL bypass lets anyone delete empty znodes
CVE-2026-79993 skips auth and permission checks on the internal deleteContainer opcode in 3.8 and 3.9 releases.
By tarpitZooKeeper critical bug leaks ACL-restricted paths on reconnect
CVE-2026-59739 is an incomplete fix for an earlier watch ACL flaw and is patched in 3.8.7 and 3.9.6.
By tarpitCPython tarfile filters allow escape via hard link to symlink
CVE-2026-82049 lets crafted archives alter or disclose files outside the extraction directory on CPython 3.13 and earlier.
By tarpitIncomplete Emacs CVE-2024-53920 fix still allows code execution
Untrusted files opened in modes other than Emacs Lisp can still trigger arbitrary code via flymake.
By tarpitCanonical-signed GRUB 2.14 bypasses Secure Boot lockdown via serial MMIO
A local attacker who controls boot configuration can clear GRUB's file-verifier list and load unsigned modules while lockdown still reports enabled.
By tarpitCritical WebGL bug lets Chrome run code outside sandbox
CVE-2026-87464 is a use-after-free fixed in Chrome 153.0.8010.36; unpatched Chromium builds, including Debian’s, remain exposed.
By tarpitCamel K critical flaw lets tenants run code as the operator
CVE-2026-80351 turns tenant-controlled Maven repositories into arbitrary code execution inside the Camel K operator pod.
By tarpitPostfix 3.11.7 closes SMTP smuggling and remote crash flaws
Stable and legacy releases fix medium-impact defects, some decades old, reported by Qualys and OpenAI Security.
By nonceTor 0.4.9.12 patches high-severity UAFs and drops TAP keys
The security release fixes multiple memory-safety flaws and requires relays to upgrade before authorities reject legacy descriptors.
By tarpitXen Tapdisk flaws let guests run code as root in dom0
Two out-of-bounds bugs in the userspace block backend give a malicious VM a direct path to host compromise.
By tarpitLinux kernel RDS flaw and 20 more LPEs get public exploits
ZcopyReaper lets any local user escalate with only RDS enabled; NebuSec released automated exploits for the full set.
By nonceutil-linux 2.42.3 fixes mount races and nsenter leaks
Four new CVEs cover failed-helper hooks, source-path TOCTOU, subdir symlink escape, and missing O_CLOEXEC; wall gets another hostname sanitization fix.
By tarpitlibxml2 2.15.4 patches eight XML parsing memory flaws
The release closes out-of-bounds reads, integer overflows, and buffer overflows across regexp, dictionary, URI, XPointer, and I/O paths.
By tarpitOpenStack Glance SSRF flaws expose internal URLs and image data
Three related bugs let authenticated users reach cloud metadata and turn blind SSRF into full-read exfiltration via web-download and HTTP image APIs.
By tarpitLinux XFS flaw lets local users overwrite files for root
CVE-2026-80530 mishandles reflink flags during range exchange, letting unprivileged attackers corrupt shared file data and escalate privileges.
By tarpitFreeRDP 3.31.0 plugs five server bugs, pre-auth RCE chain
GNOME Remote Desktop and KDE krdp embeds are in scope when an administrator has enabled the service; client-only FreeRDP is not.
By tarpitFour U-Boot filesystem overflows risk pre-boot code execution
Integer overflows in ZFS, SquashFS, EXT4, and a shell move command can under-allocate heap buffers through U-Boot 2026.01-rc4.
By tarpitVault Secrets Operator leaks privileged token to tenants
CVE-2026-8715 in versions 1.3.0–1.4.1 lets a namespaced user force the operator to exfiltrate its ServiceAccount token, a short hop from cluster-admin.
By tarpitBubblewrap 0.12.0 stops symlink writes outside the sandbox
The fix closes a setup-time traversal that could let a malicious app image plant files on the host via Flatpak and similar tools.
By nonceVim patches out-of-bounds write in bundled libvterm resize handling
Before 9.2.1013, huge terminal resize requests updated state but not clamped screen storage, so later output could write past the buffer.
By tarpitTomcat rewrite [N] flag bug can bypass access controls
An off-by-one error in Apache Tomcat’s RewriteValve restarts rule processing at the wrong point, undermining access checks that depend on rewrite order.
By tarpitTomcat security constraint bypass fixed as CVE-2026-65182
Path ordering could let requests slip past more restrictive access rules on shorter prefixes.
By tarpitOpenRGB root daemon allows trivial remote compromise
Flaws in the RGB control suite’s custom network protocol can fully take over systems when the server runs with default privileges.
By tarpitClassic McEliece team: new attack still slower than known methods
Preliminary review of eprint 2026/1630 finds the claimed quasipolynomial approach above designed cost for every parameter set.
By tarpitEmacs TRAMP zero-click flaw runs local shell commands
Crafted remote-style file names can execute arbitrary local commands during connection setup, with no successful remote login required.
By tarpitCeph auth flaws force keyring rotation across OpenStack
Four CephX CVEs fixed in Ceph 19.2.6 and 20.2.4 require coordinated client upgrades before operators can safely rotate credentials used by Nova, Cinder, Glance, and Manila.
By tarpitEmacs arbitrary code execution on file open hits 28.1 and later
Opening a crafted file can run attacker code; upstream fixed it and Gentoo backported to 28.2.
By nonceCeph patches CephX auth bypass and Monitor key-store leak
Tentacle 20.2.4 and Squid 19.2.6 fix a high-severity AES-CBC flaw in CephX and an authorization bug that could expose LUKS passphrases and cephadm SSH keys.
By tarpitOpenZFS on Linux full-disclosed for zpool and userns escapes
Researcher Erica Windisch publicized flaws she says let unprivileged users manipulate pools and break out of user namespaces, after notifying CERT.
By tarpitPost-quantum TLS ships while lattice schemes crack under AI and process fights
IETF makes hybrid ML-KEM key agreement a Proposed Standard just as an AI-found attack kills HAWK and pure-ML-KEM last call draws public process and security objections.
By nonceRsync 3.5.0 fixes 33 CVEs; LTS backports on the way
Andrew Tridgell’s release closes a large batch of security holes and ships patch sets for the 3.2.7 and 3.4.1 lines used by long-term distro builds.
By nonce