7.5

CVE-2016-2569: squid-cache squid Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-2569
Published 27-02-2016Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2016-2569 is a high (CVSS 7.5) Improper Input Validation vulnerability in squid-cache squid. EPSS estimates a 31.19% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
31.19%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4
MGASA-2016-0095OPENSUSE-SU-2024:11403-1RHSA-2016:2600SUSE-SU-2016:2008-1SUSE-SU-2016:2089-1USN-3557-1

Timeline

  1. 27-02-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long string, as demonstrated by a crafted HTTP Vary header.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

31.19%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 31.19% on 18-09-2026

18-09-202618-10-2026
EPSS score
31.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Squid-cache1 product
  • squidEOL3.0 | 3.0:rc4 | 3.0.stable1 | 3.0.stable2 | 3.0.stable3 | 3.0.stable4 | 3.0.stable5 | 3.0.stable6 | 3.0.stable7 | 3.0.stable8 | 3.0.stable9 | 3.0.stable10 | 3.0.stable11 | 3.0.stable11:rc1 | 3.0.stable12 | 3.0.stable13 | 3.0.stable14 | 3.0.stable15 | 3.0.stable16 | 3.0.stable16:rc1 | 3.0.stable17 | 3.0.stable18 | 3.0.stable19 | 3.0.stable20 | 3.0.stable21 | 3.0.stable22 | 3.0.stable23 | 3.0.stable24 | 3.0.stable25 | 3.1 | 3.1.0.1 | 3.1.0.2 | 3.1.0.3 | 3.1.0.4 | 3.1.0.5 | 3.1.0.6 | 3.1.0.7 | 3.1.0.8 | 3.1.0.9 | 3.1.0.10 | 3.1.0.11 | 3.1.0.12 | 3.1.0.13 | 3.1.0.14 | 3.1.0.15 | 3.1.0.16 | 3.1.0.17 | 3.1.0.18 | 3.1.1 | 3.1.2 | 3.1.3 | 3.1.4 | 3.1.5 | 3.1.5.1 | 3.1.6 | 3.1.7 | 3.1.8 | 3.1.9 | 3.1.10 | 3.1.11 | 3.1.12 | 3.1.13 | 3.1.14 | 3.1.15 | 3.2.0.1 | 3.2.0.2 | 3.2.0.3 | 3.2.0.4 | 3.2.0.5 | 3.2.0.6 | 3.2.0.7 | 3.2.0.8 | 3.2.0.9 | 3.2.0.10 | 3.2.0.11 | 3.2.0.12 | 3.2.0.13 | 3.2.0.14 | 3.2.0.15 | 3.2.0.16 | 3.2.0.17 | 3.2.0.18 | 3.2.0.19 | 3.2.1 | 3.2.2 | 3.2.3 | 3.2.4 | 3.2.5 | 3.2.6 | 3.2.7 | 3.2.8 | 3.2.9 | 3.2.10 | 3.2.11 | 3.2.12 | 3.2.13 | 3.3.0 | 3.3.0.2 | 3.3.0.3 | 3.3.1 | 3.3.2 | 3.3.3 | 3.3.4 | 3.3.5 | 3.3.6 | 3.3.7 | 3.3.8 | 3.3.9 | 3.3.10 | 3.3.11 | 3.3.12 | 3.3.13 | 3.4.0.1 | 3.4.0.2 | 3.4.0.3 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 3.4.8 | 3.4.9 | 3.4.10 | 3.4.11 | 3.4.12 | 3.4.13 | 3.5.0.1 | 3.5.0.2 | 3.5.0.3 | 3.5.0.4 | 3.5.1 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6
Ubuntu1 product
  • squid3< 3.5.12-1ubuntu7.5

2 vendors · 2 products

References

14 links
Show all 14 references