Fluid Attacks Database

Description

Mercurial Improper Input Validation vulnerability The mpatch_decode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 14	mercurial	>=0 <4.6.1-1	4.6.1-1
pypi	mercurial	>=0 <4.6.1	4.6.1
debian 11	mercurial	>=0 <4.6.1-1	4.6.1-1
debian 12	mercurial	>=0 <4.6.1-1	4.6.1-1
debian 13	mercurial	>=0 <4.6.1-1	4.6.1-1

Aliases

1. CVE-2018-133482. NVD-2018-133483. OSV-DEBIAN-2018-133484. OSV-2018-133485. GCVE-2018-133486. SECURITY-TRACKER-CVE-2018-133487. lists.debian.org

References

1. https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2018-90.yaml2. https://www.mercurial-scm.org/repo/hg/rev/90a274965de73. https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29

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