CVE-2016-2196: n/a vulnerability

CVE-2016-2196: Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote att...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 23:24 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-2196 is a memory corruption flaw in Botan's P-521 elliptic-curve code. A remote attacker could potentially crash affected software or execute code, but the public description does not explain the attack path. The issue affects Botan 1.11.x before 1.11.27. Exposure is most likely in software that embeds or links Botan 1.11.x before 1.11.27 and uses P-521 elliptic-curve operations. The bundle does not identify downstream products, platforms, or CPEs. Treat this as high priority where Botan is used in externally reachable systems. The vulnerability is old, but the potential impact includes service crashes and code execution. Risk is lower where Botan 1.11.x is absent or not exposed. Mitigation focus: Inventory applications and services that embed or link Botan.; Upgrade Botan 1.11.x deployments to 1.11.27 or later.; Check Botan vendor security guidance for supported fixed releases..

Prepared: Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 13, 2016, 14:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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