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CVE-2026-67353

guzzlehttp/guzzle before 7.15.1 Unbounded Cookie Denial of Service PUBLISHED

Description (CNA)

guzzlehttp/guzzle versions before 7.15.1 contain a denial of service vulnerability in the CookieJar that accepts unlimited Set-Cookie header fields with no size restrictions. Attackers can return many large cookies from a malicious server, causing Guzzle to store excessive data in memory and generate oversized Cookie headers that fail in handlers or destination servers.

Affected (CNA)

Vendor / productVersions
guzzle / guzzleaffected 0 before 7.15.1; unaffected 7.15.1

CWE

CWE-770

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.