Buffer overflow in Gnome Glib

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. NOTE: the vendor's position is "Realistically this is not a security issue. The standard pattern is for callers to…

Vulnerability class: Integer Overflow

EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35457?
CVE-2020-35457 is a high-severity vulnerability in Gnome Glib, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2020-12-14.
How severe is CVE-2020-35457?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-35457 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.