CVE-2022-42905

In wolfSSL before 5.5.2, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS 1.3 client or network attacker can trigger a buffer over-read on the heap of 5 bytes. (WOLFSSL_CALLBACKS is only intended for debugging.)

CVSS v3.1

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

2.00% chance of exploitation in the next 30 days, 79th percentile

Published

2022-11-06

Updated

2025-05-02

Proof-of-concept exploits (1)

• mariodamas/benchmark-fuzzing

References

• CVE Record
• NVD entry

Related

• CVE-2023-3724
• CVE-2022-42899
• CVE-2022-4292
• CVE-2022-42896
• CVE-2022-4293
• CVE-2022-42889