CVE-2026-19643 Out-of-bounds read in the Base64 decoder in Amazon aws-sdk-cpp on signed-char platforms

An out-of-bounds read issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862, on some platforms, might allow a remote authenticated user to crash an application that processes crafted Base64-encoded input. To remediate this issue, users should upgrade to version 1.11.862...

CVE-2026-19643 Out-of-bounds read in the Base64 decoder in Amazon aws-sdk-cpp on signed-char platforms

An out-of-bounds read issue in the Base64 decoder in Amazon aws-sdk-cpp before 1.11.862, on some platforms, might allow a remote authenticated user to crash an application that processes crafted Base64-encoded input. To remediate this issue, users should upgrade to version 1.11.862...

CVE-2026-19643

AWS SDK for C++ base64 decoding exposed an out-of-bounds read on some platforms prior to 1.11.862, which could allow a remote authenticated user to crash an application processing crafted Base64 input. Remediation: upgrade to aws-sdk-cpp 1.11.862 or later. This CVE is documented across NVD and CV...

SUSE CVE-2026-57075

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syckbase64dec. The base64 decoder in the bundled libsyck indexes the 256-entry static table b64xtable with a signed char, so any !!binary byte = 0x80 sign-extends to a negative index and...

ALPINE-CVE-2026-57075

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syckbase64dec. The base64 decoder in the bundled libsyck indexes the 256-entry static table b64xtable with a signed char, so any !!binary byte = 0x80 sign-extends to a negative index and...

AZL-92913 CVE-2026-57075 affecting package perl-YAML-Syck 1.34-1

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syckbase64dec. The base64 decoder in the bundled libsyck indexes the 256-entry static table b64xtable with a signed char, so any !!binary byte = 0x80 sign-extends to a negative index and...

UBUNTU-CVE-2026-57075

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syckbase64dec. The base64 decoder in the bundled libsyck indexes the 256-entry static table b64xtable with a signed char, so any !!binary byte = 0x80 sign-extends to a negative index and...

CVE-2026-57075 YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syck_base64dec

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syckbase64dec. The base64 decoder in the bundled libsyck indexes the 256-entry static table b64xtable with a signed char, so any !!binary byte = 0x80 sign-extends to a negative index and...

CVE-2026-57075

YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-table index in syckbase64dec. The base64 decoder in the bundled libsyck indexes the 256-entry static table b64xtable with a signed char, so any !!binary byte = 0x80 sign-extends to a negative index and...

PT-2026-60593

Name of the Vulnerable Software and Affected Versions YAML::Syck versions prior to 1.47 Description An out-of-bounds read exists in the base64 decoder of the bundled libsyck. The issue occurs in the syck base64dec function, where the 256-entry static table b64 xtable is indexed using a signed cha...

DEBIAN-CVE-2026-56123

socat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious SOCKS5 proxy server to overwrite adjacent heap memory by exploiting a sign-extension flaw in the DOMAINNAME reply parser. During connection setup, the domain name length byte is read...

CVE-2026-56123

socat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious SOCKS5 proxy server to overwrite adjacent heap memory by exploiting a sign-extension flaw in the DOMAINNAME reply parser. During connection setup, the domain name length byte is read...

PT-2026-52504

Name of the Vulnerable Software and Affected Versions socat versions 1.8.0.0 through 1.8.1.1 Description A heap-based buffer overflow exists in the SOCKS5 DOMAINNAME reply parser during proxy connection setup. The issue stems from a sign-extension flaw where the domain name length byte is read as...

K000161852: PHP vulnerabilities CVE-2025-1735 and CVE-2026-7258

Security Advisory Description CVE-2025-1735 In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. pgsql and pdopgsql escaping functions do not check if the underlying quoting functions returned errors. This could cause crashes if Postgres server rejects the string as...

BIT-APACHE-2026-44631 Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-44631 Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CLSA-2026-1779887887 Fix CVE(s): CVE-2026-7258

SECURITY UPDATE: fix out-of-bounds read in urldecode via signed-char to ctype.h GHSA-m8rr-4c36-8gq4 - debian/patches/CVE-2026-7258.patch: fix out-of-bounds read in urldecode via signed-char to ctype.h GHSA-m8rr-4c36-8gq4 - CVE-2026-7258...

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-2026-1779125894 php: Fix of 7 CVEs

CVE-2026-7258: fix out-of-bounds read in urldecode via signed-char to ctype.h GHSA-m8rr-4c36-8gq4 - CVE-2026-6722: fix stale SOAPGLOBAL refmap pointer with Apache Map GHSA-85c2-q967-79q5 - CVE-2026-7259: fix null pointer dereference in phpmbcheckencoding via mberegsearchinit GHSA-wm6j-2649-pv75 -...

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...