What’s Vulnerable › Vulnerabilities

CVE-2023-35862

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-19 · updated 2026-06-17
• Weakness: CWE-125

Description

libcoap 4.3.1 contains a buffer over-read via the function coap_parse_oscore_conf_mem at coap_oscore.c.

Affected products

• libcoap: 4.3.1

References

• https://github.com/obgm/libcoap/issues/1117
• https://github.com/obgm/libcoap/pull/1118
• https://github.com/obgm/libcoap/tags
• https://github.com/obgm/libcoap/issues/1117
• https://github.com/obgm/libcoap/pull/1118
• https://github.com/obgm/libcoap/tags

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