CVE-2009-0478 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 72% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 71.99% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-02-08 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| squid | squid |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Squid < 3.1 5 - HTTP Version Number Parsing Denial of Service | 2009-02-09 |
References
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html
- http://secunia.com/advisories/33731
- http://secunia.com/advisories/34467
- 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/33604
- http://www.securitytracker.com/id?1021684
- http://www.squid-cache.org/Advisories/SQUID-2009_1.txt
- http://www.squid-cache.org/Versions/v2/2.7/changesets/12432.patch
- 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/33731
- http://secunia.com/advisories/34467
- 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/33604
- http://www.securitytracker.com/id?1021684
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