6.5

CVE-2020-18839: freedesktop poppler Out-of-bounds Write

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-18839DEBIAN-CVE-2020-18839
Published 22-08-2023Last modified 04-10-2024
Open JSON

Vulnerability summary

CVE-2020-18839 is a medium (CVSS 6.5) Out-of-bounds Write vulnerability in freedesktop poppler. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 04-10-2024
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.65% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.freedesktop.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • poppler< 0.85.0-2
Freedesktop1 product
Ubuntu1 product
  • poppler< 0.41.0-0ubuntu1.16+esm3 | < 0.62.0-2ubuntu2.14+esm1 | < 0.86.1-0ubuntu1.3

3 vendors · 3 products

References

5 links