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PYSEC-2018-88

Quick fix

PYSEC-2018-88 — mercurial: upgrade to the fixed version with the command below.

pip install --upgrade 'mercurial>=4.6.1'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/mercurial

Introduced in: 0Fixed in: 4.6.1

Fixpip install --upgrade 'mercurial>=4.6.1'

References

https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29[WEB]
https://www.mercurial-scm.org/repo/hg/rev/faa924469635[WEB]
https://access.redhat.com/errata/RHSA-2019:2276[ADVISORY]
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html[WEB]
https://github.com/advisories/GHSA-9xv4-r2hf-26gh[ADVISORY]