7.5

CVE-2021-44540: privoxy

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2021-44540UBUNTU-CVE-2021-44540DEBIAN-CVE-2021-44540
Published 23-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-44540 is a high (CVSS 7.5) vulnerability in privoxy. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.36%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4
DLA-2844-1MGASA-2021-0570OPENSUSE-SU-2021:1646-1OPENSUSE-SU-2022:10186-1OPENSUSE-SU-2024:11677-1USN-5826-1

Timeline

  1. 23-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec before bailing.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.04 pp

From 1.31% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.36%

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

Alpine1 product
  • privoxy< 3.0.33-r0
Debian1 product
  • privoxy< 3.0.33-1
Privoxy1 product
Ubuntu1 product
  • privoxyAll versions (No fix recorded) | < 3.0.26-5ubuntu0.3 | < 3.0.28-2ubuntu0.2

4 vendors · 4 products

References

9 links