Bug 1977427 (CVE-2021-3630) - CVE-2021-3630 djvulibre: out-of-bounds write in DJVU::DjVuTXT::decode() in DjVuText.cpp
Summary: CVE-2021-3630 djvulibre: out-of-bounds write in DJVU::DjVuTXT::decode() in Dj...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-3630
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1977428 1977429 1977430
Blocks: 1977431
TreeView+ depends on / blocked
 
Reported: 2021-06-29 17:56 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-06-29 22:40 UTC (History)
2 users (show)

Fixed In Version: DjVuLibre 3.5.28
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.
Clone Of:
Environment:
Last Closed: 2021-06-29 22:40:34 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-06-29 17:56:05 UTC 
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.

Reference:
https://sourceforge.net/p/djvu/bugs/302/

Upstream patch:
https://sourceforge.net/p/djvu/djvulibre-git/ci/7b0ef20690e08f1fe124aebbf42f6310e2f40f81/
Comment 1 Guilherme de Almeida Suckevicz 2021-06-29 17:56:29 UTC 
Created djvulibre tracking bugs for this issue:

Affects: epel-7 [bug 1977430]
Affects: fedora-all [bug 1977428]


Created mingw-djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1977429]
Comment 2 Product Security DevOps Team 2021-06-29 22:40:34 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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