7.8

CVE-2013-1839: squid-cache squid Improper Input Validation

CVSS: 7.8v2.0HighModified
Published 30-09-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-1839 is a high (CVSS 7.8) Improper Input Validation vulnerability in squid-cache squid. EPSS estimates a 18.31% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
18.31%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a "," character in an Accept-Language header.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

18.31%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 18.31% on 18-09-2026

18-09-202618-10-2026
EPSS score
18.31%

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
  • squidEOL3.2.0.1 | 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 | 3.3.0 | 3.3.0.2 | 3.3.0.3 | 3.3.1 | 3.3.2

1 vendor · 1 product

References

6 links