CVE-2016-1979 (GCVE-0-2016-1979)

Vulnerability from cvelistv5 – Published: 2016-03-13 18:00 – Updated: 2024-08-05 23:17
VLAI
Summary
Use-after-free vulnerability in the PK11_ImportDERPrivateKeyInfoAndReturnKey function in Mozilla Network Security Services (NSS) before 3.21.1, as used in Mozilla Firefox before 45.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted key data with DER encoding.
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://bto.bluecoat.com/security-advisory/sa124 x_refsource_CONFIRM
http://www.securityfocus.com/bid/84221 vdb-entryx_refsource_BID
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3688 vendor-advisoryx_refsource_DEBIAN
http://www.debian.org/security/2016/dsa-3576 vendor-advisoryx_refsource_DEBIAN
https://bugzilla.mozilla.org/show_bug.cgi?id=1185033 x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-0684.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2016-0685.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://developer.mozilla.org/en-US/docs/Mozilla/… x_refsource_MISC
http://www.mozilla.org/security/announce/2016/mfs… x_refsource_CONFIRM
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2973-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2016-0591.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id/1035215 vdb-entryx_refsource_SECTRACK
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
Date Public
2016-03-08 00:00
Show details on NVD website
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            "value": "Use-after-free vulnerability in the PK11_ImportDERPrivateKeyInfoAndReturnKey function in Mozilla Network Security Services (NSS) before 3.21.1, as used in Mozilla Firefox before 45.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted key data with DER encoding."
          },
          {
            "lang": "es",
            "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en la funci\u00f3n PK11_ImportDERPrivateKeyInfoAndReturnKey en Mozilla Network Security Services (NSS) en versiones anteriores a 3.21.1, como se utiliza en Mozilla Firefox en versiones anteriores a 45.0, permite a atacantes remotos causar una denegaci\u00f3n de servicio o posiblemente tener otro impacto no especificado a trav\u00e9s de datos de clave manipulados con codificado DER."
          }
        ],
        "evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/416.html\"\u003eCWE-416: Use After Free\u003c/a\u003e",
        "id": "CVE-2016-1979",
        "lastModified": "2026-06-17T00:43:01.320",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.8,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-03-13T18:59:28.163",
        "references": [
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0591.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0684.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0685.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.debian.org/security/2016/dsa-3576"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.debian.org/security/2016/dsa-3688"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-36.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.securityfocus.com/bid/84221"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.securitytracker.com/id/1035215"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://www.ubuntu.com/usn/USN-2973-1"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://bto.bluecoat.com/security-advisory/sa124"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1185033"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.1_release_notes"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://security.gentoo.org/glsa/201605-06"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0591.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0684.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0685.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2016/dsa-3576"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2016/dsa-3688"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-36.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/84221"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id/1035215"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-2973-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bto.bluecoat.com/security-advisory/sa124"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1185033"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.1_release_notes"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/201605-06"
          }
        ],
        "sourceIdentifier": "security@mozilla.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T07:24:47+00:00",
      "cve": "CVE-2016-1979",
      "id": "CVE-2016-1979",
      "initial_release_date": "2016-03-08T00:00:00+00:00",
      "product_status:fixed": "500",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "nss: Use-after-free during processing of DER encoded keys in NSS (MFSA 2016-36)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-1979.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.