Bug 1939137 (CVE-2020-36281) - CVE-2020-36281 leptonica: heap-based buffer overflow in pixFewColorsOctcubeQuantMixed in colorquant1.c
Summary: CVE-2020-36281 leptonica: heap-based buffer overflow in pixFewColorsOctcubeQu...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-36281
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: 1939138 1939139 1939140 1942944
Blocks: 1939215
TreeView+ depends on / blocked
 
Reported: 2021-03-15 17:24 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 pixFewColorsOctcubeQuantMixed function in colorquant1.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
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-03-15 17:24:17 UTC 
Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22140

Upstream patch:
https://github.com/DanBloomberg/leptonica/commit/5ee24b398bb67666f6d173763eaaedd9c36fb1e5
Comment 1 Guilherme de Almeida Suckevicz 2021-03-15 17:24:40 UTC 
Created leptonica tracking bugs for this issue:

Affects: epel-7 [bug 1939140]
Affects: fedora-all [bug 1939138]


Created mingw-leptonica tracking bugs for this issue:

Affects: fedora-all [bug 1939139]
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