UpHeron
All vulnerabilities

Servers and applications

CVE-2014-6270

Off-by-one error in the snmpHandleUdp function in snmp_core.cc in Squid 2.x and 3.x, when an SNMP port is configured, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted UDP SNMP request, which triggers a heap-based buffer overflow.

Severity
Medium 6.8
Published
12 Sept 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
23% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
SquidServers and applications · cpe:a:squid-cache:squid
  • Version 3.4.7
  • Version 3.4.6
  • Version 3.4.5
  • Version 3.4.4
All 173 release lines
  • Version 2.4.stable1
  • Version 2.4.stable2
  • Version 2.4.stable3
  • Version 2.4.stable4
  • Version 2.4.stable5
  • Version 2.4.stable6
  • Version 2.4.stable7
  • Version 2.5.stable1
  • Version 2.5.stable2
  • Version 2.5.stable3
  • Version 2.5.stable4
  • Version 2.5.stable5
  • Version 2.5.stable6
  • Version 2.5.stable7
  • Version 2.5.stable8
  • Version 2.5.stable9
  • Version 2.5.stable10
  • Version 2.5.stable11
  • Version 2.5.stable12
  • Version 2.5.stable13
  • Version 2.5.stable14
  • Version 2.6.stable1
  • Version 2.6.stable2
  • Version 2.6.stable3
  • Version 2.6.stable4
  • Version 2.6.stable5
  • Version 2.6.stable6
  • Version 2.6.stable7
  • Version 2.6.stable8
  • Version 2.6.stable9
  • Version 2.6.stable10
  • Version 2.6.stable11
  • Version 2.6.stable12
  • Version 2.6.stable13
  • Version 2.6.stable14
  • Version 2.6.stable15
  • Version 2.6.stable16
  • Version 2.6.stable17
  • Version 2.6.stable18
  • Version 2.6.stable19
  • Version 2.6.stable20
  • Version 2.6.stable21
  • Version 2.6.stable22
  • Version 2.6.stable23
  • Version 2.7.stable1
  • Version 2.7.stable2
  • Version 2.7.stable3
  • Version 2.7.stable4
  • Version 2.7.stable5
  • Version 2.7.stable6
  • Version 2.7.stable7
  • Version 2.7.stable8
  • Version 2.7.stable9
  • Version 3.0-rc4
  • Version 3.0.stable11-rc1
  • Version 3.0.stable16-rc1
  • Version 3.0
  • Version 3.0.stable1
  • Version 3.0.stable2
  • Version 3.0.stable3
  • Version 3.0.stable4
  • Version 3.0.stable5
  • Version 3.0.stable6
  • Version 3.0.stable7
  • Version 3.0.stable8
  • Version 3.0.stable9
  • Version 3.0.stable10
  • Version 3.0.stable11
  • Version 3.0.stable12
  • Version 3.0.stable13
  • Version 3.0.stable14
  • Version 3.0.stable15
  • Version 3.0.stable16
  • Version 3.0.stable17
  • Version 3.0.stable18
  • Version 3.0.stable19
  • Version 3.0.stable20
  • Version 3.0.stable21
  • Version 3.0.stable22
  • Version 3.0.stable23
  • Version 3.0.stable24
  • Version 3.0.stable25
  • Version 3.1
  • Version 3.1.0.1
  • Version 3.1.0.2
  • Version 3.1.0.3
  • Version 3.1.0.4
  • Version 3.1.0.5
  • Version 3.1.0.6
  • Version 3.1.0.7
  • Version 3.1.0.8
  • Version 3.1.0.9
  • Version 3.1.0.10
  • Version 3.1.0.11
  • Version 3.1.0.12
  • Version 3.1.0.13
  • Version 3.1.0.14
  • Version 3.1.0.15
  • Version 3.1.0.16
  • Version 3.1.0.17
  • Version 3.1.0.18
  • Version 3.1.1
  • Version 3.1.2
  • Version 3.1.3
  • Version 3.1.4
  • Version 3.1.5
  • Version 3.1.5.1
  • Version 3.1.6
  • Version 3.1.7
  • Version 3.1.8
  • Version 3.1.9
  • Version 3.1.10
  • Version 3.1.11
  • Version 3.1.12
  • Version 3.1.13
  • Version 3.1.14
  • Version 3.1.15
  • Version 3.2.0.1
  • Version 3.2.0.2
  • Version 3.2.0.3
  • Version 3.2.0.4
  • Version 3.2.0.5
  • Version 3.2.0.6
  • Version 3.2.0.7
  • Version 3.2.0.8
  • Version 3.2.0.9
  • Version 3.2.0.10
  • Version 3.2.0.11
  • Version 3.2.0.12
  • Version 3.2.0.13
  • Version 3.2.0.14
  • Version 3.2.0.15
  • Version 3.2.0.16
  • Version 3.2.0.17
  • Version 3.2.0.18
  • Version 3.2.0.19
  • Version 3.2.1
  • Version 3.2.2
  • Version 3.2.3
  • Version 3.2.4
  • Version 3.2.5
  • Version 3.2.6
  • Version 3.2.7
  • Version 3.2.8
  • Version 3.2.9
  • Version 3.2.10
  • Version 3.2.11
  • Version 3.2.12
  • Version 3.3.0
  • Version 3.3.0.2
  • Version 3.3.0.3
  • Version 3.3.1
  • Version 3.3.2
  • Version 3.3.3
  • Version 3.3.4
  • Version 3.3.5
  • Version 3.3.6
  • Version 3.3.7
  • Version 3.3.8
  • Version 3.3.9
  • Version 3.3.10
  • Version 3.3.11
  • Version 3.3.12
  • Version 3.4.0.1
  • Version 3.4.0.2
  • Version 3.4.0.3
  • Version 3.4.1
  • Version 3.4.2
  • Version 3.4.3
  • Version 3.4.4
  • Version 3.4.5
  • Version 3.4.6
  • Version 3.4.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-6270
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-6270