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Package details: pkg:composer/symfony/symfony@6.4.41
purl pkg:composer/symfony/symfony@6.4.41
Next non-vulnerable version 6.4.46
Latest non-vulnerable version 8.1.7
Risk score 3.9
Vulnerabilities affecting this package (2)
Advisory Summary Fixed in package version
GHSA-2v3c-qxhr-7vpv
Aliases:
CVE-2026-109413
Symfony: Unbounded Recursion in the YAML Inline Lexer Lets a Single Document Crash the Process ### Description `Yaml\Parser::lexInlineStructure()` recursed through …
6.4.45
Vulnerable
GHSA-r925-mgvr-h9cc
Aliases:
CVE-2026-108082
Symfony: ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header ### Description `HeaderUtils::split()` parsed header values with a pattern whose …
6.4.46
Not vulnerable
Vulnerabilities fixed by this package (5)

Advisory Summary Aliases
GHSA-38cx-cq6f-5755
Symfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient ### Description `Symfony\Component\HttpClient\NoPrivateNetworkHttpClient` is documented as … CVE-2026-48736
GHSA-v3wm-qf9p-c549
Symfony: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense ### Description `Symfony\Component\HtmlSanitizer\TextSanitizer\UrlSanitizer::parse()` rejects … CVE-2026-48760
GHSA-6h46-9jf5-q59x
Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes ### Description When a firewall is configured … CVE-2026-48489
GHSA-h5x3-xfc9-m39h
Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization … CVE-2026-48784
GHSA-x5qj-865h-mgvm
Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes ### Description `Symfony\Component\HtmlSanitizer\Visitor\AttributeSanitizer\UrlAttributeSanitizer::getSupportedAttributes()` enumerates the attribute names whose values are scrubbed through `UrlSanitizer::sanitize()` (scheme … CVE-2026-48761