What’s Vulnerable › Vulnerabilities
CVE-2018-13347
- Severity: critical (CVSS 9.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-07-06 · updated 2026-06-17
- Weakness: CWE-190
Description
mpatch.c in Mercurial before 4.6.1 mishandles integer addition and subtraction, aka OVE-20180430-0002.
Affected products
- mercurial: before 4.6.1 — fixed in 4.6.1
How to fix
Upgrade to a fixed version: mercurial 4.6.1. Check the vendor advisory for mitigations.
References
- https://access.redhat.com/errata/RHSA-2019:2276
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- https://www.mercurial-scm.org/repo/hg-committed/log?rev=modifies%28%22mercurial%2Fmpatch.c%22%29+and+4.5%3A%3A
- https://www.mercurial-scm.org/repo/hg/rev/1acfc35d478c
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
- https://access.redhat.com/errata/RHSA-2019:2276
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- https://www.mercurial-scm.org/repo/hg-committed/log?rev=modifies%28%22mercurial%2Fmpatch.c%22%29+and+4.5%3A%3A
- https://www.mercurial-scm.org/repo/hg/rev/1acfc35d478c
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
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