7.5

CVE-2019-25037: debian debian_linux Reachable Assertion

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2019-25037DEBIAN-CVE-2019-25037
Published 27-04-2021Last modified 19-11-2024

Vulnerability summary

CVE-2019-25037 is a high (CVSS 7.5) Reachable Assertion vulnerability in debian debian_linux. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 81.8% 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
2.15%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 5

Timeline

  1. 27-04-2021
    PublishedVulnerability first disclosed.
  2. 19-11-2024
    Last modifiedVulnerability information updated.

Description

Unbound before 1.9.5 allows an assertion failure and denial of service in dname_pkt_copy via an invalid packet. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.15%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

+0.03 pp

From 2.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.15%

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

Debian2 products
Nlnetlabs1 product
Ubuntu1 product
  • unbound< 1.6.7-1ubuntu2.4 | < 1.9.4-2ubuntu1.2

3 vendors · 4 products

References

7 links