cbcvebase.
CVE-2025-1734
published 2025-03-30

CVE-2025-1734: In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when receiving headers from HTTP server, the…

medium6.3CVSS 4.0
AVNACHATPPRNUINVCLVINVANSCNSINSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when receiving headers from HTTP server, the headers missing a colon (:) are treated as valid headers even though they are not. This may confuse applications into accepting invalid headers.

Affected

22 ranges
VendorProductVersion rangeFixed in
debianphp7.4< php7.4 7.4.33-1+deb11u8 (bullseye)php7.4 7.4.33-1+deb11u8 (bullseye)
debianphp8.2< php7.4 7.4.33-1+deb11u8 (bullseye)php7.4 7.4.33-1+deb11u8 (bullseye)
debianphp8.4< php7.4 7.4.33-1+deb11u8 (bullseye)php7.4 7.4.33-1+deb11u8 (bullseye)
msrcazl3_php_8.3.14-1_on_azure_linux_3.0
msrcazl3_php_8.3.19-1_on_azure_linux_3.0
msrccbl2_kernel_5.15.45.1-2_on_cbl_mariner_2.0
msrccbl2_php_8.1.31-1_on_cbl_mariner_2.0
msrccbl2_php_8.1.32-1_on_cbl_mariner_2.0
msrccbl_mariner_1.0_arm
msrccbl_mariner_1.0_x64
msrccbl_mariner_2.0_arm
msrccbl_mariner_2.0_x64
msrccm1_kernel_5.10.117.1-2_on_cbl_mariner_1.0
netappontap
phpphp>= 8.1.0 < 8.1.328.1.32
phpphp>= 8.2.0 < 8.2.288.2.28
phpphp>= 8.3.0 < 8.3.198.3.19
phpphp>= 8.4.0 < 8.4.58.4.5
php_groupphp>= 8.1.* < 8.1.328.1.32
php_groupphp>= 8.2.* < 8.2.288.2.28
php_groupphp>= 8.3.* < 8.3.198.3.19
php_groupphp>= 8.4.* < 8.4.58.4.5

CVSS provenance

nvdv4.06.3MEDIUMCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
osv9.2CRITICAL