Everything after the last chunk in the same call to add() is parsed with HTTP::Headers, which takes time quadratic in the number of fields of one name. For example, it takes several seconds to parse 16 KiB of "a:" lines.
A remote attackercan exhause the CPU with a single request.
HTTP::Body version 1.25 limits the size and number of lines in the trailer.
Metrics
Affected Vendors & Products
No data.
No data.
No data.
OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.
No data.
No advisories yet.
Solution
Upgrade to HTTP::Body version 1.24_02 or later.
Workaround
No workaround given by the vendor.
Fri, 06 Nov 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | HTTP::Body versions before 1.24_02 for Perl parse the trailer in quadratic time. Everything after the last chunk in the same call to add() is parsed with HTTP::Headers, which takes time quadratic in the number of fields of one name. For example, it takes several seconds to parse 16 KiB of "a:" lines. A remote attackercan exhause the CPU with a single request. HTTP::Body version 1.25 limits the size and number of lines in the trailer. | |
| Title | HTTP::Body versions before 1.24_02 for Perl parse the trailer in quadratic time | |
| Weaknesses | CWE-770 | |
| References |
|
Projects
Sign in to view the affected projects.
MITRE
Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-11-06T07:47:23.570Z
Reserved: 2026-11-03T07:58:36.822Z
Link: CVE-2026-121006
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-06T08:17:19.827
Modified: 2026-11-06T08:17:19.827
Link: CVE-2026-121006
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-11-06T09:30:08Z