CVE-2018-17983
CRITICAL9.1EPSS 0.43%Mercurial Out-of-bounds Read vulnerability
Published: 5/14/2022Modified: 4/28/2026
Description
cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.
Affected packages (3)
- Debian/mercurialfrom 0, < 4.7.2-1
- PyPI/mercurialfrom 0, < 4.7.2
- PyPI/mercurialfrom 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 |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2018-17983
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2018-17983
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2018-91.yaml
- WEBhttps://www.mercurial-scm.org/repo/hg/rev/5405cb1a7901
- WEBhttps://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.7.2_.282018-10-01.29