9.8

CVE-2019-19905: nethack Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2019-19905DEBIAN-CVE-2019-19905
Published 19-12-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-19905 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in nethack. EPSS estimates a 3.38% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.38%
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 1 · Duplicates 1
MGASA-2021-0077CVE-2019-16787

Timeline

  1. 19-12-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

NetHack 3.6.x before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files. This affects systems that have NetHack installed suid/sgid, and shared systems that allow users to upload their own configuration files.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.38%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.38% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.38%

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
  • nethack< 3.6.6-1
Nethack1 product
Ubuntu1 product
  • nethackAll versions (No fix recorded)

3 vendors · 3 products

References

9 links