CVE-2026-6104

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

UBUNTU-CVE-2026-6104

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

CVE-2026-6104

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

CVE-2026-7259

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

UBUNTU-CVE-2026-7259

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

CVE-2026-7259

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

CVE-2026-6104 Global buffer over-read in mb_convert_encoding() with attacker-supplied encoding

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

CVE-2026-6104

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

CVE-2026-6104

CVE-2026-6104 affects PHP 8.4.x before 8.4.21 and 8.5.x before 8.5.6. When an encoding name containing an embedded NUL byte is passed to mb_convert_encoding() or related mbstring functions, code assumes that strncasecmp() returning 0 guarantees equal length, enabling an out-of-bounds read of glob...

EUVD-2026-28979

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

CVE-2026-6104

In PHP versions 8.4. before 8.4.21 and 8.5. before 8.5.6, when an encoding name containing an embedded NUL byte is passed to mbconvertencoding or related mbstring functions, the code incorrectly assumes that when strncasecmp returns 0 it means the strings have the same length. This can lead to...

EUVD-2026-28969

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

CVE-2026-7259

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

CVE-2026-7259 Null pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

CVE-2026-7259

CVE-2026-7259 describes a NULL pointer dereference in PHP due to a mismatch between Oniguruma and mbfl encoding lists, exploitable when user-controlled input influences the encoding passed to mb_regex_encoding(). The issue affects PHP 8.2.x before 8.2.31, 8.3.x before 8.3.31, 8.4.x before 8.4.21,...

CVE-2026-7259 Null pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

CVE-2026-7259

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, a mismatch between encoding lists in Oniguruma and mbfl leads to a NULL pointer dereference, resulting in a segmentation fault and denial of service. The vulnerability is exploitable when...

PHP 代码问题漏洞

PHP is an open-source scripting language executed on the server side. Versions of PHP prior to 8.2.31, 8.3.31, 8.4.21, and 8.5.6 contained code vulnerabilities. These vulnerabilities were caused by mismatches in the encoding lists between Oniguruma and mbfl, leading to null pointer dereferencing...

openSUSE 16 Security Update : openCryptoki (openSUSE-SU-2026:20699-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:20699-1 advisory. This update for openCryptoki fixes the following issues Security issue: - CVE-2026-40253: Updated fix for malformed BER-encoded cryptographic objects...

PT-2026-39457

Name of the Vulnerable Software and Affected Versions PHP versions 8.4.0 through 8.4.20 PHP versions 8.5.0 through 8.5.5 Description An issue exists in the mbstring extension where passing an encoding name containing an embedded NUL byte to certain functions causes the code to incorrectly assume...