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: 47%
Debian logo
Debian Releases
Debian Product
Codename
libcoap2
bullseye
vulnerable
trixie
ignored
bookworm
ignored
libcoap3
bookworm
ignored
trixie
ignored
bullseye
postponed
forky
vulnerable
sid
4.3.5-1
fixed
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
ignored
noble
needs-triage
jammy
needs-triage
focal
dne