5.5

CVE-2018-7452: xpdfreader xpdf NULL Pointer Dereference

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-7452DEBIAN-CVE-2018-7452
Published 24-02-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-7452 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in xpdfreader xpdf. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 24-02-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (forum.xpdfreader.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • ipeAll versions (No fix recorded)
  • xpdfAll versions (No fix recorded)
Debian1 product
  • xpdfAll versions (No fix recorded)
Xpdfreader1 product

3 vendors · 4 products

References

4 links