9.8

CVE-2019-12798: artifex mujs Incorrect Regular Expression

CVSS: 9.8v3.0CriticalModified
Published 13-06-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-12798 is a critical (CVSS 9.8) Incorrect Regular Expression vulnerability in artifex mujs. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.66%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-06-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Artifex MuJS 1.0.5. regcompx in regexp.c does not restrict regular expression program size, leading to an overflow of the parsed syntax list size.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

+0.17 pp

From 1.49% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.66%

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

Artifex1 product

1 vendor · 1 product

References

2 links