CVE-2009-0478
Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers to cause a denial of service via an HTTP request with an invalid version number, which triggers a reachable assertion in (1) HttpMsg.c and (2) HttpStatusLine.c.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 72.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers to cause a denial of service via an HTTP request with an invalid version number, which triggers a reachable assertion in (1) HttpMsg.c and (2) HttpStatusLine.c.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 71.99% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 9 February 2009
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- squid/squid
- Source
- cve@mitre.org
EPSS 72.0% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
- http://secunia.com/advisories/33731Vendor Advisory
- http://secunia.com/advisories/34467Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200903-38.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:034
- http://www.securityfocus.com/archive/1/500653/100/0/threaded
- http://www.securityfocus.com/bid/33604Exploit, Patch
- http://www.securitytracker.com/id?1021684
- http://www.squid-cache.org/Advisories/SQUID-2009_1.txtVendor Advisory
- http://www.squid-cache.org/Versions/v2/2.7/changesets/12432.patchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=484246
- https://www.exploit-db.com/exploits/8021
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
- http://secunia.com/advisories/33731Vendor Advisory
- http://secunia.com/advisories/34467Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200903-38.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:034
- http://www.securityfocus.com/archive/1/500653/100/0/threaded
- http://www.securityfocus.com/bid/33604Exploit, Patch
- http://www.securitytracker.com/id?1021684
- http://www.squid-cache.org/Advisories/SQUID-2009_1.txtVendor Advisory
- http://www.squid-cache.org/Versions/v2/2.7/changesets/12432.patchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=484246
- https://www.exploit-db.com/exploits/8021
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.