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End of life / PHP / 8.1 / CVEs

Known CVEs in PHP 8.1

32 known CVEs reach PHP 8.1, the most severe rated CRITICAL. Every one of them publishes an affected range that includes this release.

By severity

CRITICAL
1
HIGH
4
MEDIUM
18
LOW
9

Every advisory that reaches 8.1

Advisory Severity CVSS Published Fixed in
CVE-2024-1874
Command injection via array-ish $command parameter of proc_open even if bypass_shell option enabled on Windows
CRITICAL 9.4 11 April 2024 8.1.28
CVE-2024-5585
bypass CVE-2024-1874
HIGH 7.7 9 June 2024 8.1.29
CVE-2023-0662
DoS vulnerability when parsing multipart request body
HIGH 7.5 15 February 2023 8.1.16
CVE-2024-8929
[Mysqlnd] Leak partial content of the heap through heap buffer over-read
HIGH - 21 November 2024 8.1.31
CVE-2024-4577
PHP RCE: A Bypass of CVE-2012-1823, Argument Injection in PHP-CGI
HIGH - 28 September 2024 8.1.29
CVE-2025-14178
Heap buffer overflow in array_merge()
MEDIUM 6.5 18 December 2025 8.1.34
CVE-2025-14180
NULL Pointer Dereference in PDO quoting
MEDIUM 6.3 18 December 2025 8.1.34
CVE-2025-14177
Information Leak of Memory in getimagesize
MEDIUM 6.3 18 December 2025 8.1.34
CVE-2025-6491
NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix
MEDIUM 5.9 3 July 2025 8.1.33
CVE-2024-8927
cgi.force_redirect configuration is bypassable due to the environment variable collision
MEDIUM 5.3 27 September 2024 8.1.30
CVE-2024-5458
Filter bypass in filter_var (FILTER_VALIDATE_URL)
MEDIUM 5.3 9 June 2024 8.1.29
CVE-2024-11233
Single byte overread with convert.quoted-printable-decode filter
MEDIUM 4.8 21 November 2024 8.1.31
CVE-2025-1735
pgsql extension does not check for errors during escaping
MEDIUM - 3 July 2025 8.1.33
CVE-2025-1219
libxml streams use wrong `content-type` header when requesting a redirected resource
MEDIUM - 13 March 2025 8.1.32
CVE-2025-1736
Stream HTTP wrapper header check might omit basic auth header
MEDIUM - 13 March 2025 8.1.32
CVE-2025-1861
Stream HTTP wrapper truncate redirect location to 1024 bytes
MEDIUM - 13 March 2025 8.1.32
CVE-2025-1734
Streams HTTP wrapper does not fail for headers with invalid name and no colon
MEDIUM - 13 March 2025 8.1.32
CVE-2025-1217
Header parser of `http` stream wrapper does not handle folded headers
MEDIUM - 13 March 2025 8.1.32
CVE-2024-8932
OOB access in ldap_escape
MEDIUM - 21 November 2024 8.1.31
CVE-2024-11234
Configuring a proxy in a stream context might allow for CRLF injection in URIs
MEDIUM - 21 November 2024 8.1.31
CVE-2024-11236
Integer overflow in the firebird and dblib quoters causing OOB writes
MEDIUM - 21 November 2024 8.1.31
CVE-2024-8926
PHP CGI Parameter Injection Vulnerability (CVE-2024-4577 bypass)
MEDIUM - 27 September 2024 8.1.30
CVE-2024-2756
__Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fix
MEDIUM - 11 April 2024 8.1.28
CVE-2024-9026
[PHP-FPM] Logs from childrens may be altered
LOW 3.3 27 September 2024 8.1.30
CVE-2024-8925
Erroneous parsing of multipart form data
LOW 3.1 27 September 2024 8.1.30
GHSA-www2-q4fc-65wf
Null byte termination in dns_get_record()
LOW - 18 December 2025 8.1.34
CVE-2025-1220
Null byte termination in hostnames
LOW - 3 July 2025 8.1.33
GHSA-wg4p-4hqh-c3g9
Possible out of bounds read when XML_OPTION_SKIP_TAGSTART used
LOW - 13 March 2025 8.1.32
GHSA-4w77-75f9-2c8w
Heap-Use-After-Free in sapi_read_post_data Processing in CLI SAPI Interface
LOW - 21 November 2024 8.1.31
CVE-2024-3096
password_verify can erroneously return true, opening ATO risk
LOW - 11 April 2024 8.1.28
CVE-2023-3247
Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP
LOW - 12 June 2023 8.1.20
CVE-2023-0567
BCrypt hashes erroneously validate if the salt is cut short by `$`
LOW - 15 February 2023 8.1.16

A further 1 advisories publish no version range, so whether they reach 8.1 cannot be determined from the advisory alone.

Support dates for this release

PHP 8.1 end of life carries the support window, the countdown to it and the release to move to next. This one is End of life and leaves support on 31 December 2025.

Vendor sources last checked 23 October 2026, and checked daily. This data last changed on 23 October 2026.

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