CVE-2009-4413

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-12-24 · updated 2026-06-16
Weakness: CWE-189

Description

The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.

Affected products

Pps.Jussieu Polipo: 0.9.8, 0.9.12, 1.0.4

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560779
http://secunia.com/advisories/37607
http://secunia.com/advisories/38647
http://www.debian.org/security/2010/dsa-2002
http://www.exploit-db.com/exploits/10338
http://www.openwall.com/lists/oss-security/2009/12/12/4
http://www.securityfocus.com/bid/37463
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560779
http://secunia.com/advisories/37607
http://secunia.com/advisories/38647
http://www.debian.org/security/2010/dsa-2002
http://www.exploit-db.com/exploits/10338

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