5.5

CVE-2018-7173: xpdfreader xpdf Encoding Error

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-7173DEBIAN-CVE-2018-7173
Published 15-02-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-7173 is a medium (CVSS 5.5) Encoding Error vulnerability in xpdfreader xpdf. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-02-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A large loop in JBIG2Stream::readSymbolDictSeg in xpdf 4.00 allows an attacker to cause denial of service via a specific file due to inappropriate decoding.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.78%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.78% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.78%

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

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