5

CVE-2011-4096: squid-cache squid Resource Management Errors

CVSS: 5.0v2.0MediumModified
AliasesRHSA-2011:1791DSA-2381-1
Published 17-11-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-4096 is a medium (CVSS 5.0) Resource Management Errors vulnerability in squid-cache squid. EPSS estimates a 37.19% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
37.19%
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 1 · Related 1
SUSE-SU-2016:2089-1

Timeline

  1. 17-11-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

37.19%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 37.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
37.19%

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

Redhat2 products
  • squid< 7:3.1.10-1.el6_2.1
  • squid-debuginfo< 7:3.1.10-1.el6_2.1
Debian1 product
  • squid3< 3.1.6-1.2+squeeze2
Squid-cache1 product
  • squidEOL≤ 3.1.15 | 3.0 | 3.0:rc1 | 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 vendors · 4 products

References

18 links
Show all 18 references