CVE-2020-35457
GNOME GLib before 2.65.3 has an integer overflow, that might lead to an out-of-bounds write, in g_option_group_add_entries.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
GNOME GLib before 2.65.3 has an integer overflow, that might lead to an out-of-bounds write, in g_option_group_add_entries. NOTE: the vendor's position is "Realistically this is not a security issue. The standard pattern is for callers to provide a static list of option entries in a fixed number of calls to g_option_group_add_entries()." The researcher states that this pattern is undocumented
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.57% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-787
- Affected
- gnome/glib
- Source
- cve@mitre.org
References
- https://gitlab.gnome.org/GNOME/glib/-/commit/63c5b62f0a984fac9a9700b12f54fe878e016a5dPatch, Vendor Advisory
- https://gitlab.gnome.org/GNOME/glib/-/issues/2197Exploit, Vendor Advisory
- https://gitlab.gnome.org/GNOME/glib/-/releases/2.65.3Release Notes, Vendor Advisory
- https://gitlab.gnome.org/GNOME/glib/-/commit/63c5b62f0a984fac9a9700b12f54fe878e016a5dPatch, Vendor Advisory
- https://gitlab.gnome.org/GNOME/glib/-/issues/2197Exploit, Vendor Advisory
- https://gitlab.gnome.org/GNOME/glib/-/releases/2.65.3Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.