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Fencer Intel
medium 5.0

CVE-2014-3609 json

HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via a reques…

published 2014-09-11 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3574

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
56.2%
EPSS 56.2% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via a request with crafted "Range headers with unidentifiable byte-range values."

Patch / fix

  • squid Debian 14, Debian 13, Debian 12 2.7.STABLE9-5

debian advisories DEBIAN-CVE-2014-3609

  • squid3 Ubuntu 14.04 LTS 3.3.8-1ubuntu6.1

ubuntu advisories UBUNTU-CVE-2014-3609

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • squid RHEL 5 7:2.6.STABLE21-7.el5_10
  • squid RHEL 6 7:3.1.10-22.el6_5
  • squid RHEL 7 7:3.3.8-12.el7_0
  • squid-sysvinit RHEL 7 7:3.3.8-12.el7_0

red hat advisories RHSA-2014:1148RHSA-2014:1147

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-2014-3609 updated cvss 5.0

squid: assertion failure in Range header processing (SQUID-2014:2)

  • Red Hat Enterprise Linux 4 squid
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) squid 2.6.STABLE21-7.el5_10 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) squid 2.6.STABLE21-7.el5_10 Red Hat Enterprise Linux Server (v. 6) squid 3.1.10-22.el6_5
    fixed: vendor fix RHSA-2014:1148
  • Red Hat Enterprise Linux Server (v. 7) squid 3.3.8-12.el7_0 Red Hat Enterprise Linux Server Optional (v. 7) squid-sysvinit 3.3.8-12.el7_0
    fixed: vendor fix RHSA-2014:1147
  • Red Hat Enterprise Linux Workstation (v. 6) squid 3.1.10-22.el6_5
    fixed: vendor fix RHSA-2014:1148
  • Red Hat Enterprise Linux Workstation (v. 7) squid 3.3.8-12.el7_0 Red Hat Enterprise Linux Workstation Optional (v. 7) squid-sysvinit 3.3.8-12.el7_0
    fixed: vendor fix RHSA-2014:1147

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

56.22% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/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.