Medium 5.9Published Jan 9, 2020

CVE-2020-6750GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address instead of connecting via a proxy server when configured to do so, because the proxy_addr field is mis…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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No exploitation reported and no EPSS estimate yet.

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GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address instead of connecting via a proxy server when configured to do so, because the proxy_addr field is mishandled. This bug is timing-dependent and may occur only sporadically depending on network delays. The greatest security relevance is in use cases where a proxy is used to help with privacy/anonymity, even though there is no technical barrier to a direct connection. NOTE: versions before 2.60 are unaffected.

CVSS: 5.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

gnome glib gnome:glib	from 2.60.0 through 2.62.4	NVD
fedoraproject fedora fedoraproject:fedora	30; 31	NVD

References

References

https://bugzilla.suse.com/show_bug.cgi?id=1160668	issue-tracking, third-party-advisory
https://gitlab.gnome.org/GNOME/glib/issues/1989	exploit, issue-tracking, vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/
https://security.netapp.com/advisory/ntap-20200127-0001/	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.