Security Vulnerabilities fixed in libwebp RHSA-2021:2354

Description

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) 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. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258

Affected Applications

libwebp

CVE References

CVE-2020-36328 CVE-2020-36329 CVE-2018-25011

Other References

https://access.redhat.com/errata/RHSA-2021:2354