JLSEC-2026-749 HMAC zero-length tag forgery in `EVP_DigestVerifyFinal`, where a zero-length tag could be accepted...

HMAC zero-length tag forgery in EVPDigestVerifyFinal, where a zero-length tag could be accepted as valid during HMAC verification. In the OpenSSL-compatibility HMAC verify path the supplied signature length was only checked as not exceeding the MAC length, so a zero-length or otherwise truncated...

CVE-2026-46638 Twig: `{% sandbox %}{% include %}` skips checkSecurity() on cached templates (incomplete fix for CVE-2024-45411)

Twig is a template language for PHP. Prior to 3.26.0, % sandbox %% include % can include a template that was previously loaded outside the sandbox without re-invoking checkSecurity, allowing the cached template to use tags, filters, and functions that should have been denied by...

CVE-2026-46633 Twig: PHP code injection via `{% use %}` template name

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

CVE-2026-46633

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

EUVD-2026-44558

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

CVE-2026-46633 Twig: PHP code injection via `{% use %}` template name

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

CVE-2026-46633 Twig: PHP code injection via `{% use %}` template name

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

CVE-2026-46633

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string does not escape single quotes when a template name from a % use % tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the...

EUVD-2026-44555

Twig is a template language for PHP. Prior to 3.26.0, several Twig language constructs trigger PHP string coercion on a Stringable operand without consulting SecurityPolicy::checkMethodAllowed, allowing a sandboxed template author to invoke toString on objects reachable in the render context...

CVE-2026-47732

Twig Sandbox: multiple __toString() policy bypasses via unguarded string coercion points existed prior to 3.26.0, enabling string coercion of Stringable operands through various constructs (conditional expressions, matches operator, loose comparisons, tests, template-loading tags, dynamic attribu...

CVE-2026-48761 Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes on <object>, <applet>, <iframe>, <img> and the URL Inside <meta http-equiv="refresh"> content

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlAttributeSanitizer::getSupportedAttributes omitted URL-bearing attributes on , , , and , and URLs inside content bypassed URL sanitization, allowing...

CVE-2026-48761 Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes on <object>, <applet>, <iframe>, <img> and the URL Inside <meta http-equiv="refresh"> content

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlAttributeSanitizer::getSupportedAttributes omitted URL-bearing attributes on , , , and , and URLs inside content bypassed URL sanitization, allowing...

EUVD-2026-44389

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlAttributeSanitizer::getSupportedAttributes omitted URL-bearing attributes on , , , and , and URLs inside content bypassed URL sanitization, allowing...

Excessive Iteration

Overview Affected versions of this package are vulnerable to Excessive Iteration via the BER decoder, which is also used by the CER and DER codecs, when parsing long-form tag IDs without an upper bound. An attacker can exhaust system resources and potentially trigger unhandled exceptions by...

CVE-2026-45066 Symfony: HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, HtmlSanitizer URL sanitization can allow off-allowlist URLs through allowLinkHosts or allowMediaHosts because UrlSanitizer::parse follows RFC 3986...

CVE-2026-45066

CVE-2026-45066 affects Symfony’s HtmlSanitizer: URL sanitization bypass due to UrlSanitizer::parse() following RFC 3986 while browsers use WHATWG, and because is checked against the media policy instead of the link policy. Affected versions: 6.1.0-BETA1–6.4.40, 7.4.12, and 8.0.12. Impact: off-al...

PYSEC-2026-3455

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuation octets without an upper bound on the tag ID size, allowing a crafted input to force construction of an arbitrarily large integer with C...

PYSEC-2026-3455

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuation octets without an upper bound on the tag ID size, allowing a crafted input to force construction of an arbitrarily large integer with C...

DEBIAN-CVE-2026-59884

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuation octets without an upper bound on the tag ID size, allowing a crafted input to force construction of an arbitrarily large integer with C...

AZL-92433 CVE-2026-59884 affecting package python-pyasn1 for versions less than 0.4.8-3

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuation octets without an upper bound on the tag ID size, allowing a crafted input to force construction of an arbitrarily large integer with C...