CVE-2016-2572: squid-cache squid Improper Input Validation
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-2572
Published 27-02-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-2572 is a high (CVSS 7.5) Improper Input Validation vulnerability in squid-cache squid. EPSS estimates a 10.15% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
10.15%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 27-02-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
http.cc in Squid 4.x before 4.0.7 relies on the HTTP status code after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a malformed response.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
10.15%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 10.15% on 19-09-2026
19-09-202619-10-2026
EPSS score10.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Squid-cache1 product
- squidEOL4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6
Ubuntu1 product
- squid3< 3.3.8-1ubuntu6.4
2 vendors · 2 products