Out-of-bounds Write Affecting libwebp package, versions <0.4.4-1ubuntu0.1~esm1


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.75% (82nd percentile)

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  • Snyk ID SNYK-UBUNTU1604-LIBWEBP-1303195
  • published 1 Jun 2021
  • disclosed 21 May 2021

How to fix?

Upgrade Ubuntu:16.04 libwebp to version 0.4.4-1ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwebp package and not the libwebp package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Scores

version 3.1
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NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

9.8 critical
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Red Hat

9.8 critical