Critical severity9.1NVD Advisory· Published Nov 7, 2022· Updated Jun 17, 2026
CVE-2022-42905
CVE-2022-42905
Description
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.)
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Affected products
3Patches
Vulnerability mechanics
References
6- packetstormsecurity.com/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-Buffer-Over-Read.htmlnvdThird Party Advisory
- seclists.org/fulldisclosure/2023/Jan/11nvdMailing ListThird Party Advisory
- github.com/wolfSSL/wolfssl/releasesnvdRelease NotesThird Party Advisory
- github.com/wolfSSL/wolfssl/releases/tag/v5.5.2-stablenvdRelease NotesThird Party Advisory
- www.wolfssl.com/docs/security-vulnerabilities/nvdVendor Advisory
- blog.trailofbits.com/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/nvd
News mentions
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