Critical severity9.8NVD Advisory· Published Jun 9, 2021· Updated Jun 17, 2026

CVE-2021-33833

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

ConnMan/Connection Managerdescription
Connman/Connmanllm-fuzzy
Range: >=1.30, <=1.39
Intel/Connection Manager
cpe:2.3:a:intel:connection_manager:*:*:*:*:*:*:*:*
Range: >=1.30,<=1.39
Debian/linux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
osv-coords
pkg:rpm/opensuse/connman&distro=openSUSE%20Tumbleweed
Range: < 1.40-2.2

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2022/01/25/1nvdExploitMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2021/06/09/1nvdMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlnvdMailing ListThird Party Advisory
lore.kernel.org/connman/nvdVendor Advisory
security.gentoo.org/glsa/202107-29nvdThird Party Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000