Description
gio/gsocks4aproxy.c in GNOME GLib before 2.82.1 has an off-by-one error and resultant buffer overflow because SOCKS4_CONN_MSG_LEN is not sufficient for a trailing '\0' character.
Affected products
gnome: glib; debian: debian linux; netapp: active iq unified manager; netapp: ontap tools
References9
- gitlab.gnome.org/Teams/Releng/security/-/wikis/home Vendor Advisory
- gitlab.gnome.org/GNOME/glib/-/issues/3461 ExploitIssue Tracking
- gitlab.gnome.org/GNOME/glib/-/releases/2.82.1 Release Notes
- www.openwall.com/lists/oss-security/2024/11/12/11 Mailing List
- lists.debian.org/debian-lts-announce/2024/11/msg00020.html Mailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20241206-0009/ Third Party Advisory
- cert-portal.siemens.com/productcert/html/ssa-089022.html
- cert-portal.siemens.com/productcert/html/ssa-202008.html
- cert-portal.siemens.com/productcert/html/ssa-398330.html
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 2% percentile: 75 · as of 6 November 2026
- CWE
- CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.