CVE-2019-8981 json
tls1.c in Cameron Hamilton-Rich axTLS before 2.1.5 has a Buffer Overflow via a crafted sequence of TLS packets because the need_bytes value…
published 2019-03-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18368
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
tls1.c in Cameron Hamilton-Rich axTLS before 2.1.5 has a Buffer Overflow via a crafted sequence of TLS packets because the need_bytes value is mismanaged.
Patch / fix
- axtls_project axtls 2.1.5
Exploit prediction
2.68% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- telekom.com https://www.telekom.com/resource/blob/566546/276aaa2eab781729f2544d62edecf002/dl-190322-remote-buffer-overflow-in-a-axtls-data.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
telekom.com
/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
patch, third-party-advisory
-
telekom.com
/resource/blob/566546/276aaa2eab781729f2544d62edecf002/dl-190322-remote-buffer-overflow-in-a-axtls-data.pdf
exploit, patch, third-party-advisory
-
axtls.sourceforge.net
product, third-party-advisory
Sources
- CVE List CVE-2019-8981
- NVD CVE-2019-8981
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.