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CVE-2010-0308

25
FAUCET Score

CVE-2010-0308 describes a denial-of-service vulnerability affecting Squid 2.x, 3.0 through 3.0.STABLE22, and 3.1 through 3.1.0.15. A remote, authenticated attacker can trigger an assertion failure by sending a specially crafted DNS packet containing only a header. This vulnerability has a CVSS score of 4.0, indicating a low severity with network access, low attack complexity, and a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:2.0:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:2.1:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:2.2:*:*:*:*:*:*:*
2.3CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:2.3:*:*:*:*:*:*:*
2.4CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:2.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
22.86%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.2286 is in the 99th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: squid-7:2.6.STABLE21-6.el5
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: squid

Vendor Advisories (1)

redhatCVE-2010-0308Low

squid: temporary DoS (assertion failure) triggered by truncated DNS packet (SQUID-2010:1)

Dec 27, 2009

References

events.ccc.de / congress/2009/Fahrplan/attachments/1483_26c3_ipv4_fuckups.pdf
osvdb.org / 62044
secunia.com / advisories/38451
Vendor Advisory
secunia.com / advisories/38455
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/56001
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11270
securityfocus.com / bid/37522
securitytracker.com / id
squid-cache.org / Advisories/SQUID-2010_1.txt
Vendor Advisory
squid-cache.org / Versions/v2/HEAD/changesets/12597.patch
squid-cache.org / Versions/v3/3.0/changesets/squid-3.0-9163.patch
Patch
squid-cache.org / Versions/v3/3.1/changesets/squid-3.1-9853.patch
vupen.com / english/advisories/2010/0260
Vendor Advisory