CVE-2024-46304

A NULL pointer dereference in libcoap v4.3.5-rc2 and below allows a remote attacker to cause a denial of service via the coap_handle_request_put_block function in src/coap_block.c.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
Debian logo
Debian Releases
Debian Product
Codename
libcoap2
bullseye
vulnerable
bookworm
ignored
libcoap3
bookworm
ignored
bullseye
postponed
sid
vulnerable
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libcoap
plucky
dne
oracular
dne
noble
dne
jammy
dne
focal
dne
bionic
needs-triage
libcoap2
plucky
dne
oracular
dne
noble
dne
jammy
needs-triage
focal
needs-triage
libcoap3
plucky
needs-triage
oracular
needs-triage
noble
needs-triage
jammy
needs-triage
focal
dne