RLSA-2021:2354

    Dashboard / Vulnerabilities / RLSA-2021:2354

    RLSA-2021:2354

    Published: 8 Jun 2021Last Modified: 4 Feb 2026

    Summary: Important: libwebp security update

    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.

    References: https://errata.rockylinux.org/RLSA-2021:2354, https://bugzilla.redhat.com/show_bug.cgi?id=1956829, https://bugzilla.redhat.com/show_bug.cgi?id=1956843, https://bugzilla.redhat.com/show_bug.cgi?id=1956919

    Affected packages

    Package

    Name: libwebp

    Purl: pkg:rpm/rocky-linux/libwebp?distro=rocky-linux-8-4-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:1.0.0-3.el8_4

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:2354 | CVE-DB