CVE-2019-25036 — Reachable Assertion in Unbound

CWE-617 — Reachable AssertionCWE-787 — Out-of-bounds Write7 documents7 sources
Severity
7.5HIGHNVD
EPSS
1.0%
top 22.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nlnetlabs UnboundDebian Linux
Timeline
PublishedApr 27
Latest updateMay 24

Description

Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. 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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDnlnetlabs/unbound< 1.9.5
▶Debiannlnetlabs/unbound< 1.9.6-1+3

Also affects: Debian Linux 9.0

Patches

Patch: ostif.org ↗Patch: ostif.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-mwj4-gg52-v4r2: Unbound before 1↗2022-05-24
▶
CVEList
CVE-2019-25036: Unbound before 1↗2021-04-27
▶
OSV
CVE-2019-25036: Unbound before 1↗2021-04-27
▶

📋Vendor Advisories

3
Ubuntu
Unbound vulnerabilities↗2021-05-06
▶
Red Hat
unbound: assertion failure and denial of service in synth_cname↗2019-12-11
▶
Debian
CVE-2019-25036: unbound - Unbound before 1.9.5 allows an assertion failure and denial of service in synth_...↗2019
▶
CVE-2019-25036 — Reachable Assertion in Unbound | cvebase