Calendar
- Fixed jewishtojd overflow on year argument.
Core
- Fixed bug GH-18833 (Use after free with weakmaps dependent on destruction order).
- Fix OSS-Fuzz #427814456.
- Fix OSS-Fuzz #428983568 and #428760800.
- Fixed bug GH-17204 -Wuseless-escape warnings emitted by re2c.
Curl
- Fix memory leaks when returning refcounted value from curl callback.
- Remove incorrect string release.
Intl
- Fix memleak on failure in collator_get_sort_key().
LDAP
- Fixed GH-18902 ldap_exop/ldap_exop_sync assert triggered on empty request OID.
MbString
- Fixed bug GH-18901 (integer overflow mb_split).
OCI8
- Fixed bug GH-18873 (OCI_RETURN_LOBS flag causes oci8 to leak memory).
Opcache
OpenSSL
- Fixed bug #80770 (It is not possible to get client peer certificate with stream_socket_server).
PCNTL
- Fixed bug GH-18958 (Fatal error during shutdown after pcntl_rfork() or pcntl_forkx() with zend-max-execution-timers).
Phar
- Fix stream double free in phar.
- Fix phar crash and file corruption with SplFileObject.
SOAP
SPL
- Fixed bug GH-19094 (Attaching class with no Iterator implementation to MultipleIterator causes crash).
Standard
- Fix misleading errors in printf().
- Fix RCN violations in array functions.
- Fixed GH-18976 pack() overflow with h/H format and INT_MAX repeater value.
Streams
- Fixed GH-13264 (fgets() and stream_get_line() do not return false on filter fatal error).
Zip
- Fix leak when path is too long in ZipArchive::extractTo().