CVE-2018-13346
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
The mpatch_apply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.6.1-1 |
| sid | Fixed | 4.6.1-1 |
| forky | Fixed | 4.6.1-1 |
| bullseye | Fixed | 4.6.1-1 |
| bookworm | Fixed | 4.6.1-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | mercurial | <4.6.1 | 4.6.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-13346
- https://access.redhat.com/errata/RHSA-2019:2276
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2018-88.yaml
- https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
- https://www.mercurial-scm.org/repo/hg/rev/faa924469635
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
- https://www.suse.com/security/cve/CVE-2018-13346.html
- https://security-tracker.debian.org/tracker/CVE-2018-13346
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.