Vulnerability in Botan_project Botan

CVE-2018-9860

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 r…

EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-9860?
CVE-2018-9860 is a high-severity vulnerability in Botan_project Botan, classified under Off-by-one Error. CVSS score: 7.5/10. Published 2018-04-12.
How severe is CVE-2018-9860?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-9860 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.