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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- GNOME Gthumb
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- gitlab.gnome.org/GNOME/gthumb/issues/18 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00002.html (mailing-list, 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.