Heap buffer overflow in the server site handshake implementation in Real Time Logic LLC's SharkSSL version (from 05/05/24) commit 64808a5e1…

published 2025-01-23 last yr. modified 2026-06-17 4mo ago also EUVD-2024-51961

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

Heap buffer overflow in the server site handshake implementation in Real Time Logic LLC's SharkSSL version (from 05/05/24) commit 64808a5e12c83b38f85c943dee0112e428dc2a43 allows a remote attacker to trigger a Denial-of-Service via a malformed Client-Hello message.

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: last yr. (2025-01-28)

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

telekom.com https://www.telekom.com/resource/blob/1086326/e6e800ec1e4e675ca0d8fdafab86ea8c/dl-250122-cve-2024-53379-data.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

telekom.com /resource/blob/1086326/e6e800ec1e4e675ca0d8fdafab86ea8c/dl-250122-cve-2024-53379-data.pdf
exploit

Sources

CVE List CVE-2024-53379
NVD CVE-2024-53379

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