What’s Vulnerable › Vulnerabilities

CVE-2018-18718

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-29 · updated 2026-06-17
• Weakness: CWE-415

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.

Affected products

• Debian Linux: 8.0
• GNOME Gthumb: through 3.6.2

References

• https://gitlab.gnome.org/GNOME/gthumb/issues/18
• https://lists.debian.org/debian-lts-announce/2018/11/msg00002.html
• https://gitlab.gnome.org/GNOME/gthumb/issues/18
• https://lists.debian.org/debian-lts-announce/2018/11/msg00002.html

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