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Vulnerabilities

Vulnerability · CVE-2016-2182

The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of…

Published Sep 16, 2016 · catalog updated Jun 17, 2026 · icewall federation agent

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

Check this week

CVE-2016-2182 is not in CISA KEV. FIRST estimates a 44.22% chance of exploitation in the next 30 days. Check whether you run icewall federation agent.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
44.22%
Remediation
Advisory link
Affected products
cpe hp/icewall federation agent · cpe hp/icewall mcrp · cpe hp/icewall sso · cpe hp/icewall sso agent option · cpe openssl/openssl

The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown 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 hp/icewall federation agent3.0
  • cpe hp/icewall mcrp3.0
  • cpe hp/icewall sso10.0
  • cpe hp/icewall sso agent option10.0
  • cpe openssl/openssl1.0.1

How to fix CVE-2016-2182

What to do

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

Should you patch?

CVE-2016-2182 is not in CISA KEV. FIRST estimates a 44.22% chance of exploitation in the next 30 days. Check whether you run icewall federation agent.

Which versions are affected?

Compare what you have installed with hp/icewall federation agent 3.0; hp/icewall mcrp 3.0; hp/icewall sso 10.0; hp/icewall sso agent option 10.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-787: Out-of-bounds Write. EPSS 44.22%. 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. Sep 16, 2016 · Monitored products — critical

    Detected

    The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

Sources

  • CVE.orgVulnerability recordCVE-2016-2182

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2016-2182

    30-day exploitation probability 44.22%

    first.org
  • Monitored products — criticalVendor advisoryCVE-2016-2182

    The BN_bn2dec function in crypto/bn/bn_print.c in OpenSSL before 1.1.0 does not properly validate division results, which allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

    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.

  • FIRST EPSSNov 7, 2026
  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 4, 2026