Medium 5.0Published Sep 22, 2011

CVE-2011-3207crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value co…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.

CVSS: 5.0 MEDIUM (v2.0, NVD)AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-264
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

openssl openssl openssl:openssl	1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0a; 1.0.0b; and 2 more ranges	NVD

References

References

http://cvs.openssl.org/chngview?cn=21349	patch
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
http://marc.info/?l=bugtraq&m=133226187115472&w=2
http://openssl.org/news/secadv_20110906.txt	vendor-advisory
http://secunia.com/advisories/45956
http://secunia.com/advisories/57353
http://support.apple.com/kb/HT5784
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.