VIR Vulnerability Intelligence Relay

CVE-2016-2196

critical
Published 2016-05-13 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.8

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.

Predictions

Exploit likelihood
97%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —

Application impact
VendorProductVersionsFixed
botan_projectbotan1.11.0
botan_projectbotan1.11.1
botan_projectbotan1.11.2
botan_projectbotan1.11.3
botan_projectbotan1.11.4
botan_projectbotan1.11.5
botan_projectbotan1.11.6
botan_projectbotan1.11.7
botan_projectbotan1.11.8
botan_projectbotan1.11.9
botan_projectbotan1.11.10
botan_projectbotan1.11.11
botan_projectbotan1.11.12
botan_projectbotan1.11.13
botan_projectbotan1.11.14
botan_projectbotan1.11.15
botan_projectbotan1.11.16
botan_projectbotan1.11.17
botan_projectbotan1.11.18
botan_projectbotan1.11.19
botan_projectbotan1.11.20
botan_projectbotan1.11.21
botan_projectbotan1.11.22
botan_projectbotan1.11.23
botan_projectbotan1.11.24
botan_projectbotan1.11.25
botan_projectbotan1.11.26

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.