7.5

CVE-2016-1983: privoxy Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-1983DEBIAN-CVE-2016-1983
Published 27-01-2016Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2016-1983 is a high (CVSS 7.5) Improper Input Validation vulnerability in privoxy. EPSS estimates a 2.87% chance of exploitation in the next 30 days, higher than 86.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.87%
0%100%
Low · 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 4 · Related 1
DLA-398-1DSA-3460-1MGASA-2016-0055OPENSUSE-SU-2024:10494-1

Timeline

  1. 27-01-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.87%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.87% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.87%

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

Debian1 product
  • privoxy< 3.0.24-1
Privoxy1 product
Ubuntu1 product
  • privoxy< 3.0.24-1

3 vendors · 3 products

References

10 links