CVE-2025-65497
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-65497
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65497.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-65497
- Downstream
- Related
- Published
- 2025-11-24T14:15:47.343Z
- Modified
- 2025-12-03T02:18:40.772036Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
NULL pointer dereference in coapdtlsgeneratecookie() in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetSSL_CTX() to return NULL.
- References
Affected packages
Git / github.com/obgm/libcoap
Affected ranges
- Type
- GIT
- Repo
- https://github.com/obgm/libcoap
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
Affected versions
Other
bsd-licensed
coap-lwip
coap-tinydtls
v4_1_1
v4.*
v4.1.1
v4.1.2
v4.2.0
v4.2.0-rc1
v4.2.0-rc2
v4.2.0-rc3
v4.2.0-rc4
v4.2.1
v4.3.0
v4.3.0-rc1
v4.3.0-rc2
v4.3.0-rc3
v4.3.0-rc4
v4.3.1
v4.3.1-rc1
v4.3.1-rc2
v4.3.2
v4.3.2-rc1
v4.3.2-rc2
v4.3.3
v4.3.4
v4.3.5
v4.3.5-rc1
v4.3.5-rc2
v4.3.5-rc3
v4.3.5a