Unscored severity · published Mar 27, 2009
CVE-2009-0591
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote…
–
CVSS
2.7%
EPSS
No
On KEV
Description
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openssl · Openssl
0.9.8h; 0.9.8i; 0.9.8j · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-0591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-0591
lists.apple.com
http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
marc.info
http://marc.info/?l=bugtraq&m=124464882609472&w=2
marc.info
http://marc.info/?l=bugtraq&m=127678688104458&w=2
Vendor Advisory
http://secunia.com/advisories/34411
More from Openssl
7.5
CVE-2014-0160
OpenSSL Information Disclosure Vulnerability
9.8
CVE-2026-63073
Untrusted Sender DN Used as Format String in CMP Response Validation
9.8
CVE-2026-31789
Heap Buffer Overflow in Hexadecimal Conversion
9.8
CVE-2022-2274
RSA implementation bug in AVX512IFMA instructions
9.8
CVE-2021-3711
SM2 Decryption Buffer Overflow