CLSA-2026-1780054763 Fix CVE(s): CVE-2026-41035

SECURITY UPDATE: use-after-free in receivexattr - debian/patches/CVE-2026-41035.patch: replace stale local 'count' with tempxattr.count in the qsort call inside receivexattr, so the sort uses the live size of the rebuilt xattr items list; victim must run rsync with -X / --xattrs - CVE-2026-41035...

CLSA-2026-1780054583 Fix CVE(s): CVE-2026-3039

SECURITY UPDATE: GSS-API resource leak triggered by multi-round TKEY - debian/patches/CVE-2026-3039.patch: reject GSSSCONTINUENEEDED in dstgssapiacceptctx and release the partial security context and gouttoken so they don't accumulate per malicious TKEY query. - CVE-2026-3039...

CLSA-2026-1779697425 postgresql: Fix of CVE-2026-6478

CVE-2026-6478: backport upstream prerequisite that introduces the timingsafebcmp constant-time memory comparison helper, then apply it to SCRAM and MD5 authentication paths that previously used memcmp or strcmp on password hashes, computed keys, and SCRAM nonces, to prevent timing-side-channel...

CLSA-2026-1779694727 Fix CVE(s): CVE-2026-29518

SECURITY UPDATE: daemon-no-chroot TOCTOU symlink race - debian/patches/CVE-2026-29518.patch: track per-module chroot in amchrooted and usesecuresymlinks; route the sender's read-path open, the receiver's basis-file open, mkstemp, and inplace write through securerelativeopen / securemkstemp -...

CLSA-2026-1779369649 rsync: Fix of CVE-2026-43618

CVE-2026-43618: fix integer overflow in compressed-token decoder allowing remote memory disclosure via crafted compressed stream...

CLSA-2026-1779360036 dovecot: Fix of CVE-2026-42006

CVE-2026-42006: fix imap-login listcountlimit to actually limit open '' characters; the previous fix limited closing '' instead, leaving the bracing memory exhaustion vector open...

CLSA-2026-1779355613 Fix CVE(s): CVE-2026-3833

SECURITY UPDATE: nameConstraints case-sensitive comparison bypass - debian/patches/CVE-2026-3833.patch: perform case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing, fixing excludedSubtrees / permittedSubtrees bypass via letter-casing in the SAN....

CLSA-2026-1779217317 systemd: Fix of CVE-2026-29111

CVE-2026-29111: core: validate input cgroup path more prudently...

CLSA-2026-1779183792 gnutls: Fix of CVE-2026-42010

CVE-2026-42010: server-side RSA-PSK authentication bypass via NUL-byte truncation of binary PSK identities in gnutlsprocrsapskclientkx...

CLSA-2026-1779181743 pyOpenSSL: Fix of CVE-2026-27448

CVE-2026-27448: fix fail-open in settlsextservernamecallback when callback raises exception...

CLSA-2026-1779180310 kernel: Fix of CVE-2026-46333

ptrace: require CAPSYSPTRACE when task has no mm CVE-2026-46333...

CLSA-2026-1779129626 httpd: Fix of CVE-2026-28780

CVE-2026-28780: modproxyajp: heap-based buffer overflow in ajpmsgcheckheader — message size check did not subtract AJPHEADERLEN, letting a crafted AJP reply write 4 bytes past the end of the heap buffer...

CLSA-2026-1779129500 libpng15: Fix of CVE-2026-34757

CVE-2026-34757: Use snapshot-before-free and defer-free patterns to prevent use-after-free when a caller passes a pointer obtained from pnggetPLTE, pnggettRNS, pnggethIST, pnggettext, pnggetsPLT, or pnggetunknownchunks back into the corresponding setter issues 836 and 837...

CLSA-2026-1779123668 Fix CVE(s): CVE-2026-6735

SECURITY UPDATE: XSS via unsanitized request URI in PHP-FPM status page - debian/patches/CVE-2026-6735.patch: escape requesturi with HTML entities in fpmstatushandlerequest for HTML/XML output formats, and fix querystring escape flags in sapi/fpm/fpm/fpmstatus.c - CVE-2026-6735...

CLSA-2026-1779095130 postfix: Fix of CVE-2026-43964

CVE-2026-43964: fix buffer over-read in dsnsplit when an enhanced status code is not followed by other text...

CLSA-2026-1778788223 libssh2: Fix of 2 CVEs

CVE-2019-3860: bounds-check SFTP packet sizes in sftppacketrequire/v and sftpbin2attr - CVE-2019-3861: bounds-check paddinglength in libssh2transportread...

CLSA-2026-1778897873 ghostscript: Fix of CVE-2025-48708

CVE-2025-48708: fix argument sanitization to redact values supplied with '' separator...

CLSA-2026-1778881024 quagga: Fix of CVE-2018-5380

CVE-2018-5380: fix BGP NOTIFY debug-print msg array over-read...

CLSA-2026-1778873714 mod_http2: Fix of CVE-2023-45802

CVE-2023-45802: fix deferred memory reclaim of reset HTTP/2 streams...

CLSA-2026-1778856286 vim: Fix of CVE-2026-34982

CVE-2026-34982: fix vim modeline sandbox bypass via complete/guitabtooltip/printheader options and mapset...

CLSA-2026-1778847162 httpd: Fix of CVE-2026-28780

CVE-2026-28780: heap-based buffer overflow in ajpmsgcheckheader in modproxyajp when proxying to a malicious AJP backend that returns an oversized response, allowing a 4-byte out-of-bounds write past the heap buffer...

CLSA-2026-1778843906 nginx: Fix of CVE-2026-42945

CVE-2026-42945: fix heap buffer overflow in ngxhttprewritemodule when an unnamed PCRE capture group with '?' in the replacement is followed by another rewrite, if, or set directive; clear stale isargs flag in regex end code to prevent buffer overrun and possible worker crash or code execution...

CLSA-2026-1778832754 kernel: Fix of CVE-2026-46300

net: skbuff: propagate shared-frag marker 8.x backport CVE-2026-46300...

CLSA-2026-1778789568 httpd: Fix of CVE-2022-36760

CVE-2022-36760: modproxyajp: fix possible request smuggling via invalid Transfer-Encoding...

CLSA-2026-1778766810 samba: Fix of CVE-2023-0922

CVE-2023-0922: set default ldap client sasl wrapping to seal - Refresh samba-pubkeyAA99442FB680B620.gpg expiry extended to 2027-12-12...

CLSA-2026-1778788198 Fix of 6 CVEs

SECURITY UPDATE: fix out-of-bounds read in urldecode via signed-char to ctype.h GHSA-m8rr-4c36-8gq4 - debian/patches/CVE-2026-7258.patch: fix out-of-bounds read in urldecode via signed-char to ctype.h GHSA-m8rr-4c36-8gq4 - CVE-2026-7258 SECURITY UPDATE: fix stale SOAPGLOBAL refmap pointer with...

CLSA-2026-1778604436 libtasn1: Fix of CVE-2018-6003

CVE-2018-6003: Restrict recursion depth in asn1decodesimpleber to prevent stack exhaustion DoS via crafted indefinite-length BER input...

CLSA-2026-1778492595 libxml2: Fix of CVE-2022-49043

CVE-2022-49043: fix use-after-free in xmlXIncludeAddNode by deferring xmlFreeURI until after the error path has consumed the value...

CLSA-2026-1778618041 freeipmi: Fix of CVE-2026-33554

CVE-2026-33554: fix buffer overflows in ipmi-oem response handling for dell get-last-post-code, supermicro extra-firmware-info, and wistron read-proprietary-string subcommands...

CLSA-2026-1778602690 Fix CVE(s): CVE-2026-7598

SECURITY UPDATE: fix integer overflow in usernamelen bounds checks across userauthlist, userauthpassword and password change paths in src/userauth.c - debian/patches/CVE-2026-7598.patch: fix integer overflow in usernamelen bounds checks across userauthlist, userauthpassword and password change...

CLSA-2026-1778599539 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race condition in capsetfile - debian/patches/CVE-2026-4878.patch: open the target file and operate on /proc/self/fd/N so the inode is locked between the regular-file check and the xattr update - CVE-2026-4878...

CLSA-2026-1773654558 mysql: Fix of 7 CVEs

Update to MySQL 8.0.45 January 2026 CPU CVE-2026-21968 CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2025-9230...

CLSA-2026-1778143751 libsndfile: Fix of CVE-2022-33065

CVE-2022-33065: fix multiple signed integer overflows in au.c, mat4.c and mat5.c...

CLSA-2026-1778142413 cups: Fix of CVE-2026-27447

CVE-2026-27447: fix authorization bypass via case-insensitive username comparison in scheduler...

CLSA-2026-1778237316 libssh: Fix of CVE-2026-0964

CVE-2026-0964: reject invalid filenames in sshscppullrequest to prevent path traversal via SCP...

CLSA-2026-1778090588 libtiff: Fix of CVE-2026-4775

CVE-2026-4775: fix signed integer overflow in YCbCr tile decoder helpers in TIFFReadRGBAImage that could lead to heap overflow on crafted images with huge width...

CLSA-2026-1777884034 nginx: Fix of CVE-2026-27654

CVE-2026-27654: fix heap buffer overflow in ngxhttpdavmodule COPY/MOVE with alias...

CLSA-2026-1777476716 vim: Fix of 8 CVEs

CVE-2021-4019: replace the unbounded STRCPY pair in findhelptags with vimsnprintf bounded by IOSIZE to prevent heap buffer overflow with long :help arguments starting with "%z@". - CVE-2021-4192: re-fetch regline/reginput via reggetline after getvvcol in regmatchvisual so the cached line pointer...

CLSA-2026-1777558504 vim: Fix of 10 CVEs

CVE-2021-3928: in suggesttriewalk only credit a non-word-char boundary with SCORENONWORD when preword is non-empty, so spell suggestions do not read uninitialized memory behind preword. - CVE-2021-3974: in nfaregmatch NFAMARK / NFAMARKGT / NFAMARKLT, save reginput - regline and re-fetch regline...

CLSA-2026-1777944214 libcap: Fix of CVE-2026-4878

CVE-2026-4878: fix TOCTOU race in capsetfile by performing xattr writes via an ONOFOLLOW file descriptor instead of the user-supplied path...

CLSA-2026-1777973188 libwebp: Fix of 6 CVEs

CVE-2018-25009: fix out-of-bounds read in GetLE16 by validating VP8X chunk size - CVE-2018-25010: fix heap-based buffer overflow in ApplyFilter by limiting filter radius to image dimensions - CVE-2018-25011: fix heap-based buffer overflow in PutLE16 by rejecting multiple image chunks in ANMF...

CLSA-2026-1777970160 gd: Fix of CVE-2021-40145

CVE-2021-40145: fix double free in gdImageGd2Ptr...

CLSA-2026-1777889999 LibRaw: Fix of CVE-2026-21413

CVE-2026-21413: fix heap-based buffer overflow in losslessjpegloadraw by adding col bounds check ELSCVE-122352...

CLSA-2026-1777306004 wireshark: Fix of CVE-2022-0586

CVE-2022-0586: fix infinite loop in RTMPT dissector rtmptgetamflength...

CLSA-2026-1777883671 nginx: Fix of 2 CVEs

CVE-2026-27651: fix null pointer dereference in ngxmailauthhttpmodule when authentication retry is enabled with CRAM-MD5 or APOP - CVE-2026-32647: fix buffer over-read/write in ngxhttpmp4module when processing crafted mp4 files with empty stco/co64 atoms...

CLSA-2026-1777541087 cups: Fix of CVE-2026-34980

CVE-2026-34980: filter control characters from option values in the scheduler to prevent PPD keyword injection via Print-Job...

CLSA-2026-1777457441 python: Fix of 2 CVEs

CVE-2026-4519: reject webbrowser.open URLs with a leading dash to prevent CLI option injection into the spawned browser process - CVE-2026-4786: validate URLs after %action substitution and swap the substitution order in UnixBrowser.open to close a bypass of the CVE-2026-4519 dash-prefix check...

CLSA-2026-1777586245 Fix CVE(s): CVE-2026-35385

SECURITY UPDATE: scp1 downloading as root in legacy mode without -p did not clear setuid/setgid bits on downloaded files. - debian/patches/CVE-2026-35385.patch: clear setuid/setgid bits from umask in sink when -p is not set - CVE-2026-35385...

CLSA-2026-1777585788 python: Fix of CVE-2017-1000158

CVE-2017-1000158: fix integer overflow in PyStringDecodeEscape that could trigger a heap-based buffer overflow when decoding very large byte strings...

CLSA-2026-1777568294 python2: Fix of CVE-2026-6100

CVE-2026-6100: defensively null bzs-nextin on the error path of BZ2Decompdecompress to align with upstream; the UAF window does not exist in Python 2.7 nextin is reassigned at function entry, lzma/gzip are not C extensions...