CVE-2019-11745 (GCVE-0-2019-11745)

Vulnerability from cvelistv5 – Published: 2020-01-08 19:22 – Updated: 2024-08-04 23:03
VLAI
Summary
When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • Out of bounds write in NSS when encrypting with a block cipher
Assigner
References
Impacted products
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-27T00:43:35+00:00",
      "cve": "CVE-2019-11745",
      "id": "CVE-2019-11745",
      "initial_release_date": "2019-11-21T00:00:00+00:00",
      "product_status:fixed": "571",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-11745.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.