Bug 1939200 (CVE-2020-36278) - CVE-2020-36278 leptonica: heap-based buffer overflow in findNextBorderPixel in ccbord.c
Summary: CVE-2020-36278 leptonica: heap-based buffer overflow in findNextBorderPixel i...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-36278
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: 1939203 1942946 1939201 1939202
Blocks: 1939215
TreeView+ depends on / blocked
 
Reported: 2021-03-15 17:50 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-28 14:08 UTC (History)
3 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in leptonica. A heap-based buffer over-read in the findNextBorderPixel function in ccbord.c file may allow an attacker to read data from an application using leptonica. The highest threat from this vulnerability is to data confidentiality.
Clone Of:
Environment:
Last Closed: 2021-10-28 14:08:02 UTC


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Description Guilherme de Almeida Suckevicz 2021-03-15 17:50:55 UTC
Leptonica before 1.80.0 allows a heap-based buffer over-read in findNextBorderPixel in ccbord.c.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23433

Upstream patch:
https://github.com/DanBloomberg/leptonica/commit/8d6e1755518cfb98536d6c3daf0601f226d16842

Comment 1 Guilherme de Almeida Suckevicz 2021-03-15 17:51:19 UTC
Created leptonica tracking bugs for this issue:

Affects: epel-7 [bug 1939203]
Affects: fedora-all [bug 1939201]


Created mingw-leptonica tracking bugs for this issue:

Affects: fedora-all [bug 1939202]


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