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[HttpFoundation] Fixed 'Via' header regex #60547

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Merged
merged 1 commit into from
May 30, 2025
Merged

[HttpFoundation] Fixed 'Via' header regex #60547

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2 changes: 1 addition & 1 deletion src/Symfony/Component/HttpFoundation/Request.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1466,7 +1466,7 @@ public function isMethodCacheable(): bool
public function getProtocolVersion(): ?string
{
if ($this->isFromTrustedProxy()) {
preg_match('~^(HTTP/)?([1-9]\.[0-9]) ~', $this->headers->get('Via') ?? '', $matches);
preg_match('~^(HTTP/)?([1-9]\.[0-9])\b~', $this->headers->get('Via') ?? '', $matches);

if ($matches) {
return 'HTTP/'.$matches[2];
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2 changes: 2 additions & 0 deletions src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
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Expand Up @@ -2402,6 +2402,8 @@ public static function protocolVersionProvider()
'trusted with via and protocol name' => ['HTTP/2.0', true, 'HTTP/1.0 fred, HTTP/1.1 nowhere.com (Apache/1.1)', 'HTTP/1.0'],
'trusted with broken via' => ['HTTP/2.0', true, 'HTTP/1^0 foo', 'HTTP/2.0'],
'trusted with partially-broken via' => ['HTTP/2.0', true, '1.0 fred, foo', 'HTTP/1.0'],
'trusted with simple via' => ['HTTP/2.0', true, 'HTTP/1.0', 'HTTP/1.0'],
'trusted with only version via' => ['HTTP/2.0', true, '1.0', 'HTTP/1.0'],
];
}

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