What is CVE-2018-13347?

CVE-2018-13347 is a critical-severity vulnerability in Mercurial, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-07-06.

How severe is CVE-2018-13347?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Mercurial

CVE-2018-13347

mpatch.c in Mercurial before 4.6.1 mishandles integer addition and subtraction, aka OVE-20180430-0002.

Vulnerability class: Integer Overflow

EPSS: 0.026 (84.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mercurial
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2018-13347?: CVE-2018-13347 is a critical-severity vulnerability in Mercurial, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-07-06.
How severe is CVE-2018-13347?: Critical severity. CVSS v3 base score is 9.8 out of 10.