CVE-2016-2196

CRITICAL 9.8CVE-2016-2196 · Published 13/05/2016 · updated 17/06/2026

In short

CVE-2016-2196 is a CRITICAL (CVSS 9.8) vulnerability affecting botan (botan project).
Chance of exploitation in the next 30 days (EPSS): 5.3%, higher than 92.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
botan botan_project	`= 1.11.0= 1.11.1= 1.11.10= 1.11.11= 1.11.12= 1.11.13= 1.11.14= 1.11.15= 1.11.16= 1.11.17= 1.11.18= 1.11.19= 1.11.2= 1.11.20= 1.11.21= 1.11.22= 1.11.23= 1.11.24= 1.11.25= 1.11.26= 1.11.3= 1.11.4= 1.11.5= 1.11.6= 1.11.7= 1.11.8= 1.11.9`	No fix yet

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.

References

botan.randombit.net/security.html · Vendor Advisory
marc.info · Vendor Advisory

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Package

Affected versions

Patched versions

botan

botan_project

= 1.11.0= 1.11.1= 1.11.10= 1.11.11= 1.11.12= 1.11.13= 1.11.14= 1.11.15= 1.11.16= 1.11.17= 1.11.18= 1.11.19= 1.11.2= 1.11.20= 1.11.21= 1.11.22= 1.11.23= 1.11.24= 1.11.25= 1.11.26= 1.11.3= 1.11.4= 1.11.5= 1.11.6= 1.11.7= 1.11.8= 1.11.9

No fix yet

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