High
Symfony: ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to versions 5.4.54, 6.4.46, 7.4.19, and 8.1.7, HeaderUtils::split() parsed header values with a pattern whose token alternative also matched whitespace, followed by a (?
Announced Group revision 1
Original source ↗CVE-2026-108082
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-108082
symfony
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/symfony/http-foundation",
"vendor": "sensiolabs",
"modules": [
"Symfony\\Component\\HttpFoundation\\HeaderUtils::split()"
],
"product": "symfony",
"versions": [
{
"status": "affected",
"version": "v4.1.0-BETA1",
"lessThan": "v5.4.54",
"versionType": "git"
},
{
"status": "affected",
"version": "v6.0.0-BETA1",
"lessThan": "v6.4.46",
"versionType": "git"
},
{
"status": "affected",
"version": "v7.0.0-BETA1",
"lessThan": "v7.4.19",
"versionType": "git"
},
{
"status": "affected",
"version": "v8.0.0-BETA1",
"lessThan": "v8.1.7",
"versionType": "git"
}
],
"packageName": "symfony/http-foundation",
"collectionURL": "https://packagist.org/packages/symfony/http-foundation",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-108082
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #29965 · Revision 1
- Added to Heist Feed
- Publisher date