rhsa-2021_3157
Vulnerability from csaf_redhat
Published
2021-08-16 10:29
Modified
2024-11-22 17:21
Summary
Red Hat Security Advisory: firefox security update

Notes

Topic
An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.13.0 ESR. Security Fix(es): * Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980) * Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984) * Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986) * Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988) * Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989) * Mozilla: Use-after-free media channels (CVE-2021-29985) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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  "vulnerabilities": [
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      "cwe": {
        "id": "CWE-908",
        "name": "Use of Uninitialized Resource"
      },
      "discovery_date": "2021-08-10T00:00:00+00:00",
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          "text": "1992421"
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      "notes": [
        {
          "category": "description",
          "text": "Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 78.13, Thunderbird \u003c 91, Firefox ESR \u003c 78.13, and Firefox \u003c 91.",
          "title": "Vulnerability description"
        },
        {
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          "text": "Mozilla: Uninitialized memory in a canvas object could have led to memory corruption",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Thunderbird 78.13"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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