Is symfony/http-foundation 6.4 vulnerable?

Composer · 36 releases from 6.4.0 to 6.4.49 · latest symfony/http-foundation is 8.1.10 · checked 1 Nov 2026

No known advisories in the last release

symfony/http-foundation 6.4.49, the last 6.4 release, has no known advisories. 4 advisories affect earlier 6.4.x releases, so update to 6.4.49.

Update within 6.4:composer require symfony/http-foundation:^6.4.49

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Fixed within 6.4.x, affecting earlier releases

  • HighCVE-2026-108082GHSA-r925-mgvr-h9cc27 Oct 2026

    Symfony: ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header

    Affected
    >=6.0.1 <6.4.46 · >=7.0.0 <7.4.19 · >=8.0.0 <8.1.7 · >=4.1.0 <5.4.54
    Fixed in
    5.4.54, 6.4.46, 7.4.19, 8.1.7
  • MediumCVE-2026-48736GHSA-38cx-cq6f-575515 Jun 2026

    Symfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient

    Affected
    >=6.4.0 <6.4.41 · >=7.0.0 <7.4.13 · >=8.0.0 <8.0.13
    Fixed in
    6.4.41, 7.4.13, 8.0.13
  • HighCVE-2025-64500GHSA-3rg7-wf37-54rm12 Nov 2025

    Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass

    Affected
    <5.4.50 · >=6.0.0 <6.4.29 · >=7.0.0 <7.3.7
    Fixed in
    5.4.50, 6.4.29, 7.3.7
  • LowCVE-2024-50345GHSA-mrqx-rp3w-jpjp6 Nov 2024

    Symfony vulnerable to open redirect via browser-sanitized URLs

    Affected
    <5.4.46 · >=6.0.0 <6.4.14 · >=7.0.0 <7.1.7
    Fixed in
    5.4.46, 6.4.14, 7.1.7

Which of your client projects are still on symfony/http-foundation 6.4?

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Other symfony/http-foundation versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the Composer registry. Refreshed daily.