6.5

CVE-2021-46784: debian debian_linux Reachable Assertion

CVSS: 6.5v3.1MediumModified
AliasesMGASA-2022-0249SUSE-SU-2022:2359-1RHSA-2022:5526
Published 17-07-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-46784 is a medium (CVSS 6.5) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 5.13% chance of exploitation in the next 30 days, higher than 92.3% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
5.13%
0%100%
Low · +0.28 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 3

Timeline

  1. 17-07-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

5.13%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.28 pp

From 4.84% on 20-09-2026

20-09-202620-10-2026
EPSS score
5.13%

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< 7:4.15-3.module+el8.6.0+15801+8fa20c64.1 | < 7:5.2-1.el9_0.1 | < 7:4.11-4.module+el8.4.0+15802+77c2cdda.3 | < 7:4.4-8.module+el8.2.0+15803+1b4cda03.4 | < 7:4.4-8.module+el8.1.0+15805+9a5539dc.4 | < 7:3.5.20-17.el7_9.7
Debian2 products
Opensuse2 products
  • squid&distro=openSUSE Leap 15.4< 5.6-150400.3.3.1
  • squid&distro=openSUSE Tumbleweed< 5.6-1.1
Ubuntu2 products
  • squid< 4.10-1ubuntu1.6 | < 5.2-1ubuntu4.1
  • squid3All versions (No fix recorded) | < 3.5.27-1ubuntu1.13
Mageia1 product
  • squid< 4.17-1.1.mga8
Squid-cache1 product
  • squid≥ 3.0, ≤ 3.5.28 | ≥ 4.0, ≤ 4.17 | ≥ 5.0, < 5.6
Suse1 product
  • squid&distro=SUSE Linux Enterprise Module for Server Applications 15 SP4< 5.6-150400.3.3.1

7 vendors · 18 products

References

33 links
Show all 33 references