CVE-2018-13348

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory mercurial-scm.org Vendor Advisory mercurial-scm.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.mercurial-scm.org/repo/hg/rev/90a274965de7 patch vendor advisory
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29 vendor advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html mailing list

Frequently Asked Questions

What is the severity of CVE-2018-13348?
CVE-2018-13348 has been scored as a high severity vulnerability.
How to fix CVE-2018-13348?
To fix CVE-2018-13348, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-13348 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-13348 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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