Vulnerability · CVE-2002-0659
The ASN1 library in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allows remote attackers to cause a denial of service via invalid encodings.
Published Aug 12, 2002 · catalog updated Jun 16, 2026 · Apple
Check this week
CVE-2002-0659 is not in CISA KEV. FIRST estimates a 36.20% chance of exploitation in the next 30 days. Check whether you run Apple.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 36.20%
- Remediation
- Advisory link
- Affected products
- cpe apple/mac os x · cpe openssl/openssl
The ASN1 library in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allows remote attackers to cause a denial of service via invalid encodings.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apple/mac os x10.0
- cpe openssl/openssl0.9.1c
- cpe openssl/openssl0.9.2b
- cpe openssl/openssl0.9.3
- cpe openssl/openssl0.9.4
- cpe openssl/openssl0.9.5
- cpe openssl/openssl0.9.5a
How to fix CVE-2002-0659
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2002-0659 is not in CISA KEV. FIRST estimates a 36.20% chance of exploitation in the next 30 days. Check whether you run Apple.
Which versions are affected?
Compare what you have installed with apple/mac os x 10.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 36.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 12, 2002 · Apple Security Releases
Detected
The ASN1 library in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allows remote attackers to cause a denial of service via invalid encodings.
Jun 16, 2026 · Apple Security Releases
Updated
The ASN1 library in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allows remote attackers to cause a denial of service via invalid encodings.
Sources
- Apple Security ReleasesVendor advisoryCVE-2002-0659
The ASN1 library in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allows remote attackers to cause a denial of service via invalid encodings.
nvd.nist.gov - CVE.orgVulnerability recordCVE-2002-0659
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2002-0659
30-day exploitation probability 36.2%
first.org
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.