{"id":"CVE-2020-6750","aliases":["ALPINE-CVE-2020-6750","AZL-6436","BELL-CVE-2020-6750","DEBIAN-CVE-2020-6750","EUVD-2020-27897","GHSA-w778-hx63-vw7w","MGASA-2020-0118","UBUNTU-CVE-2020-6750","openSUSE-SU-2024:10791-1"],"status":"published","title":"GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address...","description":"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.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02195,"percentile":0.826,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2020-01-09T19:23:03Z","modified":"2026-10-26T12:02:51Z","fixes":[{"ecosystem":"Alpine:v3.11","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"glib","fixed_in":["2.62.5-r0"],"sources":["osv"]},{"ecosystem":"Azure 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Advisory","report"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1160668","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://security.netapp.com/advisory/ntap-20200127-0001/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6750","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEM7MMAXMWCDPUH4MTUZ763MBB64RRLJ/"},{"url":"https://github.com/advisories/GHSA-w778-hx63-vw7w"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-6750","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2020-6750","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-6750","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0118.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26230","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/5RIFEDSRJ4P3WFCMDUOFQ2LEILZLMDW7/","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/KJMLGW55HOQXHMTIPH2PWXFRBNBWVO4W/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-6750","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-6750","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2008-2371","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16428","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16429","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12450","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-6750","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27218","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27219","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-6750","description":"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.","status":"published","published":"2020-01-09T19:23:03Z","modified":"2024-08-04T09:11:04.536Z","updated_at":"2026-11-02T14:35:52.268457Z"}],"euvd":[{"id":"EUVD-2020-27897","description":"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.","status":"published","published":"2020-01-09T19:23:03Z","modified":"2024-08-04T09:11:04Z","updated_at":"2026-11-03T03:08:02.022514Z"}],"ghsa":[{"id":"GHSA-w778-hx63-vw7w","title":"GSocketClient in GNOME GLib through 2.62.4 may occasionally connect directly to a target address...","description":"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.","status":"published","published":"2022-05-24T17:06:01Z","modified":"2023-01-29T05:01:00Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:44:43.065987Z"}],"nvd":[{"id":"CVE-2020-6750","description":"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.","status":"published","published":"2020-01-09T20:15:11.567Z","modified":"2026-06-17T03:23:45.637Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:52.385274Z"}],"osv":[{"id":"ALPINE-CVE-2020-6750","description":"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.","status":"published","published":"2020-01-09T20:15:11.567Z","modified":"2026-10-26T11:17:55.17980904Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:48.11886Z"},{"id":"AZL-6436","title":"CVE-2020-6750 affecting package glib for versions less than 2.71.0-1","description":"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.","status":"published","published":"2020-01-09T20:15:11Z","modified":"2026-04-21T04:32:22.824561Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:08.076947Z"},{"id":"BELL-CVE-2020-6750","title":"CVE-2020-6750 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:15:45.617636Z","modified":"2026-01-26T09:47:08.78177Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2020-6750","description":"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.","status":"published","published":"2020-01-09T20:15:11.567Z","modified":"2026-10-24T10:50:39.512851544Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"DEBIAN-CVE-2020-6750","description":"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.","status":"published","published":"2020-01-09T20:15:11.567Z","modified":"2026-10-26T12:02:51.486975188Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:34.311861Z"},{"id":"UBUNTU-CVE-2020-6750","description":"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.","status":"withdrawn","published":"2020-01-09T20:15:00Z","modified":"2025-07-16T07:41:49.325548Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"MGASA-2020-0118","title":"Updated glib2.0 packages fix security vulnerability","description":"The updated packages fix a security vulnerability:\n\nGSocketClient in GNOME GLib through 2.62.4 may occasionally connect\ndirectly to a target address instead of connecting via a proxy server\nwhen configured to do so, because the proxy_addr field is mishandled.\nThis bug is timing-dependent and may occur only sporadically depending\non network delays. The greatest security relevance is in use cases\nwhere a proxy is used to help with privacy/anonymity, even though there\nis no technical barrier to a direct connection. (CVE-2020-6750)\n","status":"published","published":"2020-03-06T16:13:58Z","modified":"2026-04-16T04:41:38.609465939Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2024:10791-1","title":"gio-branding-upstream-2.68.4-2.2 on GA media","description":"These are all security issues fixed in the gio-branding-upstream-2.68.4-2.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:52:34.703941Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}