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CVE-2024-46304

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-09 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• libcoap: 4.3.5-rc2

References

• https://github.com/obgm/libcoap/issues/1509

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