CVE-2011-4109

critical
Published 2012-01-06 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
9.3

Description

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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

debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1.0.0c-1
sid Fixed 1.0.0c-1
forky Fixed 1.0.0c-1
bullseye Fixed 1.0.0c-1
bookworm Fixed 1.0.0c-1

Application impact

VendorProductVersionsFixed
openssl opensslopenssl0.9.8
openssl opensslopenssl0.9.8a
openssl opensslopenssl0.9.8b
openssl opensslopenssl0.9.8c
openssl opensslopenssl0.9.8d
openssl opensslopenssl0.9.8e
openssl opensslopenssl0.9.8f
openssl opensslopenssl0.9.8g
openssl opensslopenssl0.9.8h
openssl opensslopenssl0.9.8i
openssl opensslopenssl0.9.8j
openssl opensslopenssl0.9.8k
openssl opensslopenssl0.9.8l
openssl opensslopenssl0.9.8m
openssl opensslopenssl0.9.8n
openssl opensslopenssl0.9.8o
openssl opensslopenssl0.9.8p
openssl opensslopenssl0.9.8q
openssl opensslopenssl0.9.8r

References

CWEs

CWE-399

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

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