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Vulnerabilities

Vulnerability · CVE-2007-4995

Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

Published Oct 13, 2007 · catalog updated Jun 16, 2026 · Off-by-one error in the

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2007-4995 is not in CISA KEV. FIRST estimates a 10.51% chance of exploitation in the next 30 days. Check whether you run Off-by-one error in the.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Off-by-one error in the).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.51%
Remediation
Advisory link
Affected products
cpe openssl/openssl

Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

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 openssl/openssl0.9.8
  • cpe openssl/openssl0.9.8a
  • cpe openssl/openssl0.9.8b
  • cpe openssl/openssl0.9.8c
  • cpe openssl/openssl0.9.8d
  • cpe openssl/openssl0.9.8e

How to fix CVE-2007-4995

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2007-4995 is not in CISA KEV. FIRST estimates a 10.51% chance of exploitation in the next 30 days. Check whether you run Off-by-one error in the.

Which versions are affected?

Compare what you have installed with 0.9.8, 0.9.8a, 0.9.8b, 0.9.8c, 0.9.8d, 0.9.8e. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-189. EPSS 10.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

OpenSSL security

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.

  1. Oct 13, 2007 · Monitored products — critical

    Detected

    Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

Sources

  • CVE.orgVulnerability recordCVE-2007-4995

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2007-4995

    Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 4, 2026