6.5

CVE-2019-6129: libpng

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2019-6129DEBIAN-CVE-2019-6129openSUSE-SU-2024:13577-1
Published 11-01-2019Last modified 28-05-2026
Open JSON

Vulnerability summary

CVE-2019-6129 is a medium (CVSS 6.5) vulnerability in libpng. EPSS estimates a 1.61% chance of exploitation in the next 30 days, higher than 75.6% 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 (CVE.org)
EPSS score
1.61%
0%100%
Low · +0.23 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 11-01-2019
    PublishedVulnerability first disclosed.
  2. 28-05-2026
    Last modifiedVulnerability information updated.

Description

png_create_info_struct in png.c in libpng 1.6.36 has a memory leak, as demonstrated by pngcp. NOTE: a third party has stated "I don't think it is libpng's job to free this buffer.

CVSS metrics

7 scores · 4 sources · 3 versions

EPSS trend

Probability

1.61%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

+0.23 pp

From 1.37% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libpng

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • libpngAll versions (No fix recorded)
  • libpng1.6All versions (No fix recorded)
Debian1 product
  • libpng1.6< 1.6.39-1
Libpng1 product
Opensuse1 product
  • libpng16&distro=openSUSE Tumbleweed< 1.6.40-2.1

4 vendors · 5 products

References

6 links