Bug 2016493 (CVE-2021-3889) - CVE-2021-3889 libmobi: out-of-bounds read due to incomplete check in mobi_decompress_huffman_internal() in src/compression.c
Summary: CVE-2021-3889 libmobi: out-of-bounds read due to incomplete check in mobi_dec...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-3889
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2016494
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-10-21 17:56 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-21 20:08 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-10-21 20:08:27 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-10-21 17:56:47 UTC 
libmobi is vulnerable to use of out-of-range pointer offset.

Reference:
https://huntr.dev/bounties/efb3e261-3f7d-4a45-8114-e0ace6b21516

Upstream patch:
https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21
Comment 1 Guilherme de Almeida Suckevicz 2021-10-21 17:57:00 UTC 
Created libmobi tracking bugs for this issue:

Affects: fedora-all [bug 2016494]
Comment 2 Product Security DevOps Team 2021-10-21 20:08:27 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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