7.5

CVE-2016-9969: webmproject libwebp Double Free

CVSS: 7.5v3.0HighModified
AliasesSUSE-SU-2025:01639-1SUSE-SU-2025:01639-2UBUNTU-CVE-2016-9969
Published 23-05-2019Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-9969 is a high (CVSS 7.5) Double Free vulnerability in webmproject libwebp. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 23-05-2019
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

In libwebp 0.5.1, there is a double free bug in libwebpmux.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.41% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.chromium.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse4 products
  • libwebp&distro=SUSE Linux Enterprise Module for Package Hub 15 SP6< 0.5.0-150000.3.17.1
  • libwebp&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 0.5.0-150000.3.17.1
  • libwebp&distro=SUSE Linux Enterprise Workstation Extension 15 SP6< 0.5.0-150000.3.17.1
  • libwebp&distro=SUSE Linux Enterprise Workstation Extension 15 SP7< 0.5.0-150000.3.17.1
Ubuntu2 products
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
Debian1 product
  • libwebp< 0.5.2-1
Webmproject1 product

4 vendors · 8 products

References

8 links