CVE-2016-4051

high
Published 2016-04-25 ยท Modified 2026-05-06
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
8.8

Description

Buffer overflow in cachemgr.cgi in Squid 2.x, 3.x before 3.5.17, and 4.x before 4.0.9 might allow remote attackers to cause a denial of service or execute arbitrary code by seeding manager reports with crafted data.

Predictions

Exploit likelihood
92%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
16.04 Affected โ€”
15.10 Affected โ€”
14.04 Affected โ€”
12.04 Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 4.1-1
sid Fixed 4.1-1
forky Fixed 4.1-1
bullseye Fixed 4.1-1
bookworm Fixed 4.1-1

Application impact

VendorProductVersionsFixed
squid-cachesquid2.0
squid-cachesquid2.1
squid-cachesquid2.2
squid-cachesquid2.3
squid-cachesquid2.4
squid-cachesquid2.5
squid-cachesquid2.6
squid-cachesquid2.7
squid-cachesquid3.0
squid-cachesquid3.1
squid-cachesquid3.1.0.1
squid-cachesquid3.1.0.2
squid-cachesquid3.1.0.3
squid-cachesquid3.1.0.4
squid-cachesquid3.1.0.5
squid-cachesquid3.1.0.6
squid-cachesquid3.1.0.7
squid-cachesquid3.1.0.8
squid-cachesquid3.1.0.9
squid-cachesquid3.1.0.10
squid-cachesquid3.1.0.11
squid-cachesquid3.1.0.12
squid-cachesquid3.1.0.13
squid-cachesquid3.1.0.14
squid-cachesquid3.1.0.15
squid-cachesquid3.1.0.16
squid-cachesquid3.1.0.17
squid-cachesquid3.1.0.18
squid-cachesquid3.1.1
squid-cachesquid3.1.2
squid-cachesquid3.1.3
squid-cachesquid3.1.4
squid-cachesquid3.1.5
squid-cachesquid3.1.5.1
squid-cachesquid3.1.6
squid-cachesquid3.1.7
squid-cachesquid3.1.8
squid-cachesquid3.1.9
squid-cachesquid3.1.10
squid-cachesquid3.1.11
squid-cachesquid3.1.12
squid-cachesquid3.1.12.1
squid-cachesquid3.1.12.2
squid-cachesquid3.1.12.3
squid-cachesquid3.1.13
squid-cachesquid3.1.14
squid-cachesquid3.1.15
squid-cachesquid3.1.16
squid-cachesquid3.1.17
squid-cachesquid3.1.18
squid-cachesquid3.1.19
squid-cachesquid3.1.20
squid-cachesquid3.1.21
squid-cachesquid3.1.22
squid-cachesquid3.2.0.1
squid-cachesquid3.2.0.2
squid-cachesquid3.2.0.3
squid-cachesquid3.2.0.4
squid-cachesquid3.2.0.5
squid-cachesquid3.2.0.6
squid-cachesquid3.2.0.7
squid-cachesquid3.2.0.8
squid-cachesquid3.2.0.9
squid-cachesquid3.2.0.10
squid-cachesquid3.2.0.11
squid-cachesquid3.2.0.12
squid-cachesquid3.2.0.13
squid-cachesquid3.2.0.14
squid-cachesquid3.2.0.15
squid-cachesquid3.2.0.16
squid-cachesquid3.2.0.17
squid-cachesquid3.2.0.18
squid-cachesquid3.2.0.19
squid-cachesquid3.2.1
squid-cachesquid3.2.2
squid-cachesquid3.2.3
squid-cachesquid3.2.4
squid-cachesquid3.2.5
squid-cachesquid3.2.6
squid-cachesquid3.2.7
squid-cachesquid3.2.8
squid-cachesquid3.2.9
squid-cachesquid3.2.10
squid-cachesquid3.2.11
squid-cachesquid3.2.12
squid-cachesquid3.2.13
squid-cachesquid3.3.0
squid-cachesquid3.3.0.1
squid-cachesquid3.3.0.2
squid-cachesquid3.3.0.3
squid-cachesquid3.3.1
squid-cachesquid3.3.2
squid-cachesquid3.3.3
squid-cachesquid3.3.4
squid-cachesquid3.3.5
squid-cachesquid3.3.6
squid-cachesquid3.3.7
squid-cachesquid3.3.8
squid-cachesquid3.3.9
squid-cachesquid3.3.10
squid-cachesquid3.3.11
squid-cachesquid3.3.12
squid-cachesquid3.3.13
squid-cachesquid3.3.14
squid-cachesquid3.4.0.1
squid-cachesquid3.4.0.2
squid-cachesquid3.4.0.3
squid-cachesquid3.4.1
squid-cachesquid3.4.2
squid-cachesquid3.4.3
squid-cachesquid3.4.4
squid-cachesquid3.4.4.1
squid-cachesquid3.4.4.2
squid-cachesquid3.4.8
squid-cachesquid3.4.9
squid-cachesquid3.4.10
squid-cachesquid3.4.11
squid-cachesquid3.4.12
squid-cachesquid3.4.13
squid-cachesquid3.4.14
squid-cachesquid3.5.0.1
squid-cachesquid3.5.0.2
squid-cachesquid3.5.0.3
squid-cachesquid3.5.0.4
squid-cachesquid3.5.1
squid-cachesquid3.5.2
squid-cachesquid3.5.3
squid-cachesquid3.5.4
squid-cachesquid3.5.5
squid-cachesquid3.5.6
squid-cachesquid3.5.7
squid-cachesquid3.5.8
squid-cachesquid3.5.9
squid-cachesquid3.5.10
squid-cachesquid3.5.11
squid-cachesquid3.5.12
squid-cachesquid3.5.13
squid-cachesquid3.5.14
squid-cachesquid3.5.15
squid-cachesquid3.5.16
squid-cachesquid4.0.1
squid-cachesquid4.0.2
squid-cachesquid4.0.3
squid-cachesquid4.0.4
squid-cachesquid4.0.5
squid-cachesquid4.0.6
squid-cachesquid4.0.7
squid-cachesquid4.0.8

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.