CVE-2018-17983
Mercurial Out-of-bounds Read vulnerability
9.1
CRITICAL
CVSS 3.1
EPSS 0.43%
Description
cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.
How to fix CVE-2018-17983
To remediate CVE-2018-17983, upgrade the affected package to a fixed version below.
- Debian/mercurial—upgrade to 4.7.2-1 or later
- PyPI/mercurial—upgrade to 4.7.2 or later
- —upgrade to 4.7.2 or later
Is CVE-2018-17983 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.7.2-1
- from 0, < 4.7.2
- from 0, < 4.7.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |