
Backported from 8.2.35

- Core:
  . Mitigated GHSA-w8hw-w9fx-j79w, GHSA-6wmf-4rv5-p3rp (Avoid state corruption via
    bailout). (CVE-2026-109618, CVE-2026-109619) (Arnaud, ilutov, Jakub Zelenka,
    ndossche, Nicolas Grekas)

Backported from 8.2.34

- Filter:
  . Fixed GHSA-ch8v-r6jh-4vvr (FILTER_SANITIZE_ENCODED does not encode 0xFF).
    (Ilia Alshanetsky)

- FPM:
  . Fixed GHSA-62xp-839h-2637 (IPv6 ACL bypass in FastCGI listen.allowed_clients
    due to partial address comparison). (CVE-2026-91768) (Alexandre Daubois)

- MySQLnd:
  . Fixed GHSA-r6x9-5r99-36j7 (Various packet overreads in mysqlnd wire
    protocol). (CVE-2025-1218) (Jakub Zelenka, Nora Dossche)

- OpenSSL:
  . Fixed GHSA-vvx9-73fr-5jjx (TLS hostname verification falls back to CN after
    SAN mismatch). (CVE-2026-91769) (Jakub Zelenka)
  . Fixed GHSA-xr7j-rvgx-xq5p (Heap buffer overflow in
    php_openssl_matches_wildcard_name() on crafted server certificate wildcard
    CN). (CVE-2026-91767) (Jakub Zelenka)

- Phar:
  . Fixed GHSA-j3wh-g957-2m85 (Integer overflow in phar_tar_number() allowing
    TAR archive entry injection). (CVE-2026-6103) (Jakub Zelenka)

- SOAP:
  . Fixed GHSA-rgrp-mwpx-f6rm (Unbounded recursion in server-side
    cleanup_xml_node()). (CVE-2026-91765) (Alexandre Daubois)
  . Fixed GHSA-cj93-vc83-wgqv (Integer overflow to buffer overflow in SOAP HTTP
    parsing). (CVE-2025-14181) (Nora Dossche, Jakub Zelenka)

- Standard:
  . Fixed GHSA-88hq-2827-7pg6 (Out-of-bounds read in convert.* stream filters
    when line-break-chars contains NUL). (CVE-2026-92842) (geeknik)
  . Fixed GHSA-fpwc-w8rq-cr92 (Cross-origin credential leak in HTTP stream
    wrapper redirects). (CVE-2026-91766) (Alexandre Daubois, Jakub Zelenka)
  . Fixed GHSA-7875-c8px-7q5f (Out-of-bounds read in the HTTP stream wrapper
    when following a redirect with an empty Location header). (CVE-2026-93682)
    (Ilia Alshanetsky, Jordi Kroon)

- Windows:
  . Fixed GHSA-9f67-6fw4-hpfp (Reserved device names are not rejected before
    file and stream I/O). (CVE-2026-17545) (Shivam Mathur, Jakub Zelenka)

Backported from 8.2.33

- Date:
  . Fixed leak on double DatePeriod::__construct() call. (ilutov)

- GD:
  . Upgrade libgd. (CVE-2026-9672) (Pierre Joye)

- PGSQL:
  . Fixed GHSA-7qpv-r5mr-78m4 (SQL injection via E'...' backslash breakout).
    (CVE-2026-17543) (ilutov)

- Phar:
  . Fixed GHSA-vc5h-9ppw-p5f3 (Crash via recursive symlinks). (CVE-2026-7260)
    (Jakub Zelenka)

Backported from 8.2.32

- OpenSSL:
  . Fixed bug GH-22187 (Memory corruption (zend_mm_heap corrupted) in
    openssl_encrypt with AES-WRAP-PAD). (David Carlier)

Backported from 8.2.31

- FPM:
  . Fixed GHSA-7qg2-v9fj-4mwv (XSS within status endpoint). (CVE-2026-6735)
    (Jakub Zelenka)

- MBString:
  . Fixed GHSA-wm6j-2649-pv75 (Null pointer dereference in
    php_mb_check_encoding() via mb_ereg_search_init()). (CVE-2026-7259)
    (vi3tL0u1s)

- PDO_Firebird:
  . Fixed GHSA-w476-322c-wpvm (SQL injection via NUL bytes in quoted strings).
    (CVE-2025-14179) (SakiTakamachi)

- SOAP:
  . Fixed GHSA-85c2-q967-79q5 (Stale SOAP_GLOBAL(ref_map) pointer with Apache
    Map). (CVE-2026-6722) (ilutov)
  . Fixed GHSA-m33r-qmcv-p97q (Use-after-free after header parsing failure with
    SOAP_PERSISTENCE_SESSION). (CVE-2026-7261) (ilutov)
  . Fixed GHSA-hmxp-6pc4-f3vv (Broken Apache map value NULL check).
    (CVE-2026-7262) (ilutov)

- Standard:
  . Fixed GHSA-96wq-48vp-hh57 (Signed integer overflow of char array offset).
    (CVE-2026-7568) (TimWolla)
  . Fixed GHSA-m8rr-4c36-8gq4 (Consistently pass unsigned char to ctype.h
    functions). (CVE-2026-7258) (ilutov)

