VIR Vulnerability Intelligence Relay

CVE-2016-2850

high
Published 2016-05-13 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.5

Description

Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.

Predictions

Exploit likelihood
83%
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
OSVersionStatusFixed in
fedora fedora24affected

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
botan_projectbotan1.11.27
botan_projectbotan1.11.28

References

CWEs

CWE-20

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

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