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Vulnerability details: VCID-bdvc-y1wv-gkcf
Vulnerability ID VCID-bdvc-y1wv-gkcf
Aliases CVE-2018-9860
Summary An issue was discovered in Botan 1.11.32 through 2.x before 2.6.0. An off-by-one error when processing malformed TLS-CBC ciphertext could cause the receiving side to include in the HMAC computation exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subsequently fail and the connection will be closed. This could be used for denial of service. No information leak occurs.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
epss 0.00499 https://api.first.org/data/v1/epss?cve=CVE-2018-9860
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-9860
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9860
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.65823
EPSS Score 0.00499
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:33:25.503278+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0