CVE-2016-2196

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-13 · updated 2026-06-17
Weakness: CWE-119

Description

Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.

Affected products

randombit botan: 1.11.0, 1.11.1, 1.11.2, 1.11.3, 1.11.4, 1.11.5 (+21)

References

http://botan.randombit.net/security.html
http://marc.info/?l=botan-devel&m=145435148602911&w=2
http://botan.randombit.net/security.html
http://marc.info/?l=botan-devel&m=145435148602911&w=2

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