QID 352460

Date Published: 2021-07-02

QID 352460: Amazon Linux Security Advisory for libwebp: ALAS2-2021-1676

<DIV ID="issue_overview"> a flaw was found in libwebp.
A heap-based buffer overflow was found in putle16().
The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (
cve-2018-25011 ) a flaw was found in libwebp in versions before 1.0.1.
A heap-based buffer overflow in function webpdecodergbinto is possible due to an invalid check for buffer size.
cve-2020-36328 ) a flaw was found in libwebp.
A use-after-free was found due to a thread being killed too early.
cve-2020-36329 ) </DIV>

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2021-1676 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352460

    CVE-2018-25011 | CVE-2020-36329 | CVE-2020-36328 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1676 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1676.html
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