CVE-2022-42905 json
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 att…
published 2022-11-06 4 y ago modified 2026-07-25 3 mo ago also EUVD-2022-45963 , JLSEC-2026-674
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
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.)
Patch / fix
- julia wolfSSL_jll 5.7.2+0
- wolfssl wolfssl 5.5.2
- wolfssl Debian 13, Debian 12 5.5.3-1
debian advisories DEBIAN-CVE-2022-42905
- wolfssl Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 5.5.3-r0
alpine advisories ALPINE-CVE-2022-42905
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
2.47% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| OSV | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| julia | wolfSSL_jll | <5.7.2+0 |
5.7.2+0 |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
wolfssl.com
/docs/security-vulnerabilities/
vendor-advisory, web
-
github.com
/wolfSSL/wolfssl/releases
release-notes, third-party-advisory, web
-
github.com
/wolfSSL/wolfssl/releases/tag/v5.5.2-stable
release-notes, third-party-advisory, web
-
seclists.org
/fulldisclosure/2023/Jan/11
mailing-list, third-party-advisory, web
-
packetstormsecurity.com
/files/170610/wolfSSL-WOLFSSL_CALLBACKS-Heap-Buffer-Over-Read.html
third-party-advisory, web
-
blog.trailofbits.com
/2023/01/12/wolfssl-vulnerabilities-tlspuffin-fuzzing-ssh/
web
Sources
- CVE List CVE-2022-42905
- NVD CVE-2022-42905
- OSV JLSEC-2026-674
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.