PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions

A flaw was found in PHP. Some functions, including urldecode, incorrectly pass signed characters to character type ctype functions. On certain systems, this can lead to accessing memory with a negative offset. This vulnerability can be exploited by an attacker to trigger a denial of service DoS,...

PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions

A flaw was found in PHP. Some functions, including urldecode, incorrectly pass signed characters to character type ctype functions. On certain systems, this can lead to accessing memory with a negative offset. This vulnerability can be exploited by an attacker to trigger a denial of service DoS,...

PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions

A flaw was found in PHP. Some functions, including urldecode, incorrectly pass signed characters to character type ctype functions. On certain systems, this can lead to accessing memory with a negative offset. This vulnerability can be exploited by an attacker to trigger a denial of service DoS,...

PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions

A flaw was found in PHP. Some functions, including urldecode, incorrectly pass signed characters to character type ctype functions. On certain systems, this can lead to accessing memory with a negative offset. This vulnerability can be exploited by an attacker to trigger a denial of service DoS,...

Amazon Linux 2 : php, --advisory ALAS2PHP8.2-2026-011 (ALASPHP8.2-2026-011)

The version of php installed on the remote host is prior to 8.2.31-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2PHP8.2-2026-011 advisory. 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, the SOAP extension's...

CLSA-2026-1779121308 php: Fix of 3 CVEs

CVE-2026-7258: fix signed-char passing to ctype.h functions in urldecode and url parsing GHSA-m8rr-4c36-8gq4 - CVE-2026-7262: fix NULL check in tozvalmap using wrong variable xmlKey instead of xmlValue, causing crash in SOAP typemap decoding GHSA-hmxp-6pc4-f3vv - CVE-2026-7568: fix signed integer...

CLSA-2026-1779204107 php: Fix of 6 CVEs

CVE-2026-6722: fix stale SOAPGLOBAL refmap pointer with Apache Map GHSA-85c2-q967-79q5 - CVE-2026-7262: fix broken Apache map value NULL check in soap encoder GHSA-hmxp-6pc4-f3vv - CVE-2026-7568: fix signed integer overflow of char array offset in metaphone GHSA-96wq-48vp-hh57 - CVE-2026-7261:...

CVE-2026-7258

A flaw was found in PHP. Some functions, including urldecode, incorrectly pass signed characters to character type ctype functions. On certain systems, this can lead to accessing memory with a negative offset. This vulnerability can be exploited by an attacker to trigger a denial of service DoS,...

BIT-PHP-MIN-2026-7258 Out-of-bounds read in urldecode() on NetBSD

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

BIT-PHP-2026-7258 Out-of-bounds read in urldecode() on NetBSD

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

BIT-LIBPHP-2026-7258 Out-of-bounds read in urldecode() on NetBSD

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

PT-2026-40306

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

PT-2026-40296

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

SUSE CVE-2026-7258

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

CVE-2026-7258

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

CVE-2026-7258

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

UBUNTU-CVE-2026-7258

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

CVE-2026-7258

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

CVE-2026-7258 Out-of-bounds read in urldecode() on NetBSD

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, some functions, including urldecode, pass signed char to ctype functions like isxdigit. On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can...

CVE-2026-7258

CVE-2026-7258 describes an out-of-bounds access in PHP’s urldecode() when an unsigned/signed char is passed to ctype checks on systems with certain default signed char configurations (e.g., NetBSD), potentially triggering a denial of service. Affected PHP releases: 8.2.x before 8.2.31, 8.3.x befo...