CVE-2018-13347 — Integer Overflow or Wraparound in Mercurial

CWE-190 — Integer Overflow or WraparoundCWE-20 — Improper Input ValidationCWE-787 — Out-of-bounds Write10 documents7 sources
Severity
9.8CRITICALNVD
EPSS
1.2%
top 21.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
MercurialDebian Mercurial
Timeline
PublishedJul 6
Latest updateMay 13

Description

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

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/mercurial< mercurial 4.6.1-1 (bookworm)
▶NVDmercurial/mercurial< 4.6.1
▶PyPImercurial/mercurial< 4.6.1
▶Debianmercurial/mercurial< 4.6.1-1+3

Patches

Patch: www.mercurial-scm.org ↗Patch: www.mercurial-scm.org ↗Patch: www.mercurial-scm.org ↗

🔴Vulnerability Details

4
GHSA
Mercurial mishandles integer addition and subtraction↗2022-05-13
▶
OSV
Mercurial mishandles integer addition and subtraction↗2022-05-13
▶
CVEList
CVE-2018-13347: mpatch↗2018-07-06
▶
OSV
CVE-2018-13347: mpatch↗2018-07-06
▶

📋Vendor Advisories

2
Red Hat
mercurial: Buffer underflow in mpatch.c:mpatch_apply()↗2018-06-06
▶
Debian
CVE-2018-13347: mercurial - mpatch.c in Mercurial before 4.6.1 mishandles integer addition and subtraction, ...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-13347 mercurial: Buffer underflow in mpatch.c:mpatch_apply()↗2018-06-22
▶
Bugzilla
CVE-2018-13346 mercurial: Missing check for fragment start position in mpatch.c:mpatch_apply()↗2018-06-22
▶
Bugzilla
CVE-2018-13346 CVE-2018-13347 mercurial: various flaws [fedora-all]↗2018-06-22
▶