Double Free in GNOME Gthumb

CVE-2018-18718

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.

Vulnerability class: Double Free

EPSS: 0.004 (33.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18718?
CVE-2018-18718 is a high-severity vulnerability in GNOME Gthumb, classified under Double Free. CVSS score: 7.8/10. Published 2018-10-29.
How severe is CVE-2018-18718?
High severity. CVSS v3 base score is 7.8 out of 10.