Description
pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, raw_to_int in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the caller stores it as unsigned int. On LP64 systems, values greater than INT_MAX can truncate or wrap, so the HTTP parser can accept a body length different from the declared value. A remote adjacent-network peer can use the resulting parser disagreement to leave bytes to be interpreted as another request in persistent or proxied contexts, or can make a worker wait for an extremely large body and cause denial of service. This issue is fixed in 2.0.2.
Affected products
pupnp_project: pupnp
References4
- github.com/pupnp/pupnp/security/advisories/GHSA-g6c2-x4r9-352g ExploitMitigationVendor Advisory
- github.com/pupnp/pupnp/security/advisories/GHSA-g6c2-x4r9-352g ExploitMitigationVendor Advisory
- github.com/pupnp/pupnp/commit/de9602aef34ff722f3630d66c9be8eaa0… Patch
- github.com/pupnp/pupnp/releases/tag/release-2.0.2 Release Notes
Metrics
- CVSS 3.1
-
7.1
HIGH
Score source: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H - EPSS — exploit probability
- 0% percentile: 27 · as of 10 November 2026
- CWE
- CWE-190CWE-444
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