8.8

CVE-2018-12294: webkit webkitgtk\+ Use After Free

CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-12294DEBIAN-CVE-2018-12294
Published 19-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-12294 is a high (CVSS 8.8) Use After Free vulnerability in webkit webkitgtk\+. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.42%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.42%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

-0.01 pp

From 2.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.42%

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

Ubuntu4 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtk< 2.20.2-0ubuntu0.16.04.1 | < 2.20.2-0ubuntu0.18.04.1
  • webkitgtkAll versions (No fix recorded)
Debian1 product
  • webkit2gtk< 2.20.2-1
Webkit1 product

3 vendors · 6 products

References

10 links