8.8

CVE-2018-14550: libpng Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesALPINE-CVE-2018-14550DEBIAN-CVE-2018-14550GHSA-qwwr-qc2p-6283
Published 10-07-2019Last modified 05-08-2024

Vulnerability summary

CVE-2018-14550 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in libpng. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
3.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github

Timeline

  1. 10-07-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue has been found in third-party PNM decoding associated with libpng 1.6.35. It is a stack-based buffer overflow in the function get_token in pnm2png.c in pnm2png.

CVSS metrics

5 scores · 4 sources · 3 versions

EPSS trend

Probability

3.54%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.54% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Libpng

    Maturity: poc

  • githubUnverified

    Security

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Netapp2 products
Oracle2 products
Alpine1 product
  • libpng< 1.6.37-r0
Debian1 product
  • libpng1.6< 1.6.37-1
Libpng1 product
NuGet1 product
  • libpng< 1.6.37

6 vendors · 8 products

References

12 links
Show all 12 references