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.
CVE-2019-8981
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 84.0%
- KEV
- Not listed
Published
March 26, 2019
Last Modified
November 21, 2024
Advisory Details (2)
Auto-updated Jun 23, 2026🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available
Advisories | Deutsche Telekom
https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842Related CVEs(same CWE)
Same CWE
10 shownCWE-787
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- CVE-2010-4398NVD 7.8EG 9.0 KEVEPSS 94%HIGH
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- CVE-2009-3129NVD 7.8EG 9.0 KEVEPSS 100%HIGH
Frequently asked(5)
What is CVE-2019-8981?
CVE-2019-8981 is a critical vulnerability published on March 26, 2019. 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.
When was CVE-2019-8981 disclosed?
CVE-2019-8981 was first published in the National Vulnerability Database on March 26, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-8981 actively exploited?
CVE-2019-8981 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-8981?
CVE-2019-8981 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-8981?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-8981, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-8981
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