CVSS 3.0
9.1 criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HCVE-2018-17983
Critical (9.1) in mercurial mercurial. EPSS 2.0% chance of exploitation in the next 30 days. Fixed in mercurial 4.7.2.
cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.
Severity
- EPSS
- 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mercurial:mercurial
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-p575-cf9h-wv42 | PyPI | mercurial | <4.7.2 | 4.7.2 |
| PYSEC-2018-91 | PyPI | mercurial | <4.7.2 | 4.7.2 |