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Fencer Intel
medium 4.0

CVE-2010-0308 json

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 (assert…

published 16y ago modified 4mo ago also EUVD-2010-0339

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
27.8%
EPSS 27.8% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Patch / fix

  • squid Debian 14, Debian 13, Debian 12 2.7.STABLE8-1

debian advisories DEBIAN-CVE-2010-0308

  • squid RHEL 5 7:2.6.STABLE21-6.el5

red hat advisories RHSA-2010:0221

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-0308 updated cvss 2.9

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

  • Red Hat Enterprise Linux 4 squid
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) squid 2.6.STABLE21-6.el5 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) squid 2.6.STABLE21-6.el5
    fixed: vendor fix RHSA-2010:0221

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

27.82% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.