7.5

CVE-2016-2570: squid-cache squid Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-2570
Published 27-02-2016Last modified 05-08-2024

Vulnerability summary

CVE-2016-2570 is a high (CVSS 7.5) Improper Input Validation vulnerability in squid-cache squid. EPSS estimates a 8.95% chance of exploitation in the next 30 days, higher than 95.2% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
8.95%
0%100%
Low · 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 5 · Related 3

Timeline

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

Description

The Edge Side Includes (ESI) parser in Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not check buffer limits during XML parsing, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a crafted XML document, related to esi/CustomParser.cc and esi/CustomParser.h.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

8.95%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.95% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.95%

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