7.8

CVE-2018-18718: debian debian_linux Double Free

CVSS: 7.8v3.0HighModified
AliasesMGASA-2019-0039openSUSE-SU-2019:0022-1UBUNTU-CVE-2018-18718
Published 28-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18718 is a high (CVSS 7.8) Double Free vulnerability in debian debian_linux. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-5681-1

Timeline

  1. 28-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive calls of g_free, each of which frees the same buffer.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

0.00 pp

From 0.41% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.41%

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

Debian2 products
Opensuse2 products
  • gthumb&distro=openSUSE Leap 15.0< 3.6.1-bp150.2.3.1
  • gthumb&distro=openSUSE Tumbleweed< 3.12.0-3.1
Gnome1 product
Mageia1 product
  • gthumb< 3.4.5-2.1.mga6
Suse1 product
  • gthumb&distro=SUSE Package Hub 15< 3.6.1-bp150.2.3.1
Ubuntu1 product
  • gthumb< 3:3.4.3-1ubuntu0.1~esm1 | < 3:3.6.1-1ubuntu0.1~esm1

6 vendors · 8 products

References

12 links
Show all 12 references