Is symfony/http-foundation 8.1 vulnerable?

Composer · 10 releases from 8.1.0 to 8.1.10 · latest symfony/http-foundation is 8.1.10 · checked 1 Nov 2026

No known advisories in the last release

symfony/http-foundation 8.1.10, the last 8.1 release, has no known advisories. 1 advisory affects earlier 8.1.x releases, so update to 8.1.10.

Update within 8.1:composer require symfony/http-foundation:^8.1.10

Is your project affected?

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

Fixed within 8.1.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

Which of your client projects are still on symfony/http-foundation 8.1?

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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.