7.5

CVE-2018-13348: mercurial Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesGHSA-3v62-ww8w-758mPYSEC-2018-90UBUNTU-CVE-2018-13348
Published 06-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-13348 is a high (CVSS 7.5) Improper Input Validation vulnerability in mercurial. EPSS estimates a 2.10% chance of exploitation in the next 30 days, higher than 81.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 4
DLA-1414-1DLA-2293-1MGASA-2018-0355OPENSUSE-SU-2024:10586-1SUSE-SU-2018:1990-1SUSE-SU-2018:1996-1

Timeline

  1. 06-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

2.10%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.10% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mercurial< 4.6.1-1
Mercurial1 product
PyPI1 product
  • mercurial< 4.6.1
Ubuntu1 product
  • mercurial< 2.8.2-1ubuntu1.4 | < 3.7.3-1ubuntu1.1 | < 4.5.3-1ubuntu2.1

4 vendors · 4 products

References

9 links