7.5

CVE-2024-45802: squid-cache squid Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesRHSA-2024:9624RHSA-2024:9625RHSA-2024:9677
Published 28-10-2024Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2024-45802 is a high (CVSS 7.5) Improper Input Validation vulnerability in squid-cache squid. EPSS estimates a 47.88% chance of exploitation in the next 30 days, higher than 98.8% of scored vulnerabilities.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
47.88%
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 2
DLA-4083-1RHSA-2024:9644

Timeline

  1. 28-10-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resource after Effective Lifetime bugs, Squid is vulnerable to Denial of Service attacks by a trusted server against all clients using the proxy. This bug is fixed in the default build configuration of Squid version 6.10.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

47.88%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 47.88% on 19-09-2026

19-09-202619-10-2026
EPSS score
47.88%

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

Redhat9 products
  • libecap< 0:1.0.1-2.module+el8.1.0+4044+36416a77
  • libecap-debuginfo< 0:1.0.1-2.module+el8.1.0+4044+36416a77
  • libecap-debugsource< 0:1.0.1-2.module+el8.1.0+4044+36416a77
  • libecap-devel< 0:1.0.1-2.module+el8.1.0+4044+36416a77
  • squid< 7:4.4-8.module+el8.2.0+22482+3b9510d6.10 | < 7:5.5-14.el9_5.3 | < 7:5.5-5.el9_2.8 | < 7:5.5-13.el9_4.2 | < 7:5.2-1.el9_0.7 | < 7:3.5.20-17.el7_9.11 | < 7:4.15-6.module+el8.8.0+22494+5019dde6.7 | < 7:4.15-3.module+el8.6.0+22491+132fca59.7 | < 7:4.11-4.module+el8.4.0+22483+0c92772a.9
Ubuntu2 products
  • squidAll versions (No fix recorded)
  • squid3All versions (No fix recorded)
Debian1 product
  • squid< 5.7-2+deb12u5 | < 6.12-1
Opensuse1 product
  • squid&distro=openSUSE Tumbleweed< 6.12-1.1
Squid-cache1 product

5 vendors · 14 products

References

30 links
Show all 30 references