Is symfony/http-foundation 4.2 vulnerable?

Composer · 13 releases from 4.2.0 to 4.2.12 · latest symfony/http-foundation is 8.1.10 · checked 1 Nov 2026

Yes: 3 known advisories

Yes. symfony/http-foundation 4.2.12, the last 4.2 release, is affected by 3 known security advisories (2 high, 1 low), including CVE-2026-108082, CVE-2025-64500, CVE-2024-50345. 2 more affect earlier 4.2.x releases. Upgrade to 5.4.54 or later to fix all of them.

Upgrade with:composer require symfony/http-foundation:^5.4.54

Is your project affected?

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

Advisories affecting symfony/http-foundation 4.2.12

  • 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
  • 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

Fixed within 4.2.x, affecting earlier releases

  • CriticalCVE-2019-10913GHSA-x92h-wmg2-6hp72 Dec 2019

    Invalid HTTP method overrides allow possible XSS or other attacks in Symfony

    Affected
    >=2.7.0 <2.7.51 · >=2.8.0 <2.8.50 · >=3.0.0 <3.4.26 · >=4.0.0 <4.1.12 · >=4.2.0 <4.2.7
    Fixed in
    2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
  • HighCVE-2019-18888GHSA-xhh6-956q-4q692 Dec 2019

    Argument injection in a MimeTypeGuesser in Symfony

    Affected
    >=2.0.0 <2.8.52 · >=3.0.0 <3.4.35 · >=4.0.0 <4.2.12 · >=4.3.0 <4.3.8
    Fixed in
    2.8.52, 3.4.35, 4.2.12, 4.3.8

Which of your client projects are still on symfony/http-foundation 4.2?

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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.