An issue was discovered in wolfSSL before 5.5.0.

published 2022-10-15 4 y ago modified 2026-07-25 3 mo ago also EUVD-2022-46016 , JLSEC-2026-675

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

An issue was discovered in wolfSSL before 5.5.0. A fault injection attack on RAM via Rowhammer leads to ECDSA key disclosure. Users performing signing operations with private ECC keys, such as in server-side TLS connections, might leak faulty ECC signatures. These signatures can be processed via an advanced technique for ECDSA key recovery. (In 5.5.0 and later, WOLFSSL_CHECK_SIG_FAULTS can be used to address the vulnerability.)

Patch / fix

fixed in 2 distros 1 links 1

julia wolfSSL_jll 5.7.2+0
wolfssl wolfssl 5.5.0

wolfssl Debian 13, Debian 12 5.5.3-1

debian advisories DEBIAN-CVE-2022-42961

github.com/wolfSSL/wolfssl/releases/tag/v5.5.0-stable release

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 17 mo ago (2025-05-14)

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
julia	wolfSSL_jll	<5.7.2+0	5.7.2+0

Classification

Weakness

CWE-285 Improper Authorization

References

github.com /wolfSSL/wolfssl/releases/tag/v5.5.0-stable
release-notes, third-party-advisory, web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary