rhsa-2021_2364
Vulnerability from csaf_redhat
Published
2021-06-09 13:55
Modified
2024-11-05 23:41
Summary
Red Hat Security Advisory: libwebp security update

Notes

Topic
An update for libwebp is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. 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
The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format, and a container based on the Resource Interchange File Format (RIFF). Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently. Security Fix(es): * libwebp: heap-based buffer overflow in PutLE16() (CVE-2018-25011) * libwebp: heap-based buffer overflow in WebPDecode*Into functions (CVE-2020-36328) * libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c (CVE-2020-36329) 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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          "title": "Vulnerability description"
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          "text": "libwebp: heap-based buffer overflow in PutLE16()",
          "title": "Vulnerability summary"
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          "text": "This issue did not affect the versions of Firefox and Thunderbird as shipped with Red Hat Enterprise Linux 7, and 8 as they embed the fixed version of libwebp.",
          "title": "Statement"
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          "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.",
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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
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      "threats": [
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          "category": "impact",
          "details": "Important"
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      ],
      "title": "libwebp: heap-based buffer overflow in WebPDecode*Into functions"
    },
    {
      "cve": "CVE-2020-36329",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2021-03-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1956843"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in libwebp. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue did not affect the versions of Firefox and Thunderbird as shipped with Red Hat Enterprise Linux 7, and 8 as they embed the fixed version of libwebp.",
          "title": "Statement"
        },
        {
          "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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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-36329"
        },
        {
          "category": "external",
          "summary": "RHBZ#1956843",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1956843"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-36329",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-36329"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-36329",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36329"
        }
      ],
      "release_date": "2020-02-25T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2021-06-09T13:55:20+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
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      ],
      "title": "libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c"
    }
  ]
}


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