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Vulnerabilities

Vulnerability · CVE-2016-2108

The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underf…

Published May 5, 2016 · catalog updated Jun 17, 2026 · enterprise linux desktop

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

Check this week

CVE-2016-2108 is not in CISA KEV. FIRST estimates a 77.91% chance of exploitation in the next 30 days. Check whether you run enterprise linux desktop.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
77.91%
Remediation
Version ranges on file
Affected products
cpe openssl/openssl · cpe redhat/enterprise linux desktop · cpe redhat/enterprise linux hpc node · cpe redhat/enterprise linux server · cpe redhat/enterprise linux workstation

The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.

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/openssl1.0.2
  • cpe openssl/openssl<= 1.0.1n
  • cpe redhat/enterprise linux desktop6.0
  • cpe redhat/enterprise linux hpc node6.0
  • cpe redhat/enterprise linux server6.0
  • cpe redhat/enterprise linux workstation6.0

How to fix CVE-2016-2108

What to do

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

Should you patch?

CVE-2016-2108 is not in CISA KEV. FIRST estimates a 77.91% chance of exploitation in the next 30 days. Check whether you run enterprise linux desktop.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux desktop 6.0; redhat/enterprise linux hpc node 6.0; redhat/enterprise linux server 6.0; redhat/enterprise linux workstation 6.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-119: Buffer Overflow. EPSS 77.91%. 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.

  1. May 5, 2016 · Monitored products — critical

    Detected

    The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.

Sources

  • CVE.orgVulnerability recordCVE-2016-2108

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2016-2108

    The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 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