CVE-2010-0308

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 27.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-02-03 · updated 2026-06-16
Weakness: CWE-20

Description

lib/rfc1035.c in Squid 2.x, 3.0 through 3.0.STABLE22, and 3.1 through 3.1.0.15 allows remote attackers to cause a denial of service (assertion failure) via a crafted DNS packet that only contains a header.

Affected products

Squid: 2.0, 2.1, 2.2, 2.3, 2.4, 2.5 (+40)

References

http://events.ccc.de/congress/2009/Fahrplan/attachments/1483_26c3_ipv4_fuckups.pdf
http://osvdb.org/62044
http://secunia.com/advisories/38451
http://secunia.com/advisories/38455
http://www.securityfocus.com/bid/37522
http://www.securitytracker.com/id?1023520
http://www.squid-cache.org/Advisories/SQUID-2010_1.txt
http://www.squid-cache.org/Versions/v2/HEAD/changesets/12597.patch
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9163.patch
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-9853.patch
http://www.vupen.com/english/advisories/2010/0260
https://exchange.xforce.ibmcloud.com/vulnerabilities/56001

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