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Vulnerability record · CVE-2021-38383 · published 10 August 2021

CVE-2021-38383: Owntone server use after free vulnerability

OOwntone · Owntone Server

OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 32.3% CWE-416 · Use after free
9.8CVSS 3.1 base score, v2 7.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/owntone/owntone-server/commit/246d8ae0cef27377e5dfe9ee3ad87e864d6b6266 PatchThird Party Advisory
https://github.com/owntone/owntone-server/commit/246d8ae0cef27377e5dfe9ee3ad87e864d6b6266 PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2025-63647Owntone server null pointer dereference vulnerabilityA NULL pointer dereference in the parse_meta function (src/httpd_daap.c) of owntone-server commit 334beb allows attackers to cause a Denial of Servic…EPSS 0.41%7.5CVE-2025-63648Owntone server null pointer dereference vulnerabilityA NULL pointer dereference in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to caus…EPSS 0.38%7.5CVE-2025-57155Owntone server null pointer dereference vulnerabilityNULL pointer dereference in the daap_reply_groups function in src/httpd_daap.c in owntone-server through commit 5e6f19a (newer commit after version 2…EPSS 0.39%7.5CVE-2025-57156Owntone server null pointer dereference vulnerabilityNULL pointer dereference in the dacp_reply_playqueueedit_clear function in src/httpd_dacp.c in owntone-server through commit 6d604a1 (newer commit af…EPSS 0.50%7.0CVE-2026-68820Windows Ancillary Function Driver for WinSock use-after-free privilege escalationThe Windows Ancillary Function Driver for WinSock (afd.sys) contains a use-after-free (CWE-416) that lets an authorized local attacker elevate privil…KEVEPSS 0.33%analysed8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed8.8CVE-2010-0249Microsoft Internet Explorer use-after-free enables remote code executionInternet Explorer 6, 7 and 8 mishandle objects in memory, leaving a dangling pointer that can be reused after the object is freed. A remote attacker …KEVEPSS 92%analysed7.8CVE-2020-9715Adobe Acrobat and Reader use-after-free allows code executionAdobe Acrobat and Reader contain a use-after-free (CWE-416) flaw affecting versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and ea…KEVEPSS 49%analysed

Source: NIST National Vulnerability Database (record CVE-2021-38383), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.