CVE-2021-33833

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2021/06/09/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/25/1Exploit, Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing List, Third Party Advisory
https://lore.kernel.org/connman/Vendor Advisory
https://security.gentoo.org/glsa/202107-29Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/09/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/25/1Exploit, Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing List, Third Party Advisory
https://lore.kernel.org/connman/Vendor Advisory
https://security.gentoo.org/glsa/202107-29Third Party Advisory

Timeline

Published: Jun 9, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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