Bug 1939206 (CVE-2020-36279) - CVE-2020-36279 leptonica: heap-based buffer overflow in rasteropGeneralLow
Summary: CVE-2020-36279 leptonica: heap-based buffer overflow in rasteropGeneralLow
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-36279
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: 1939209 1939207 1939208 1942947
Blocks: 1939215
TreeView+ depends on / blocked
 
Reported: 2021-03-15 17:58 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 rasteropGeneralLow function 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 17:58:50 UTC 
Leptonica before 1.80.0 allows a heap-based buffer over-read in rasteropGeneralLow, related to adaptmap_reg.c and adaptmap.c.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22512

Upstream patch:
https://github.com/DanBloomberg/leptonica/commit/3c18c43b6a3f753f0dfff99610d46ad46b8bfac4
Comment 1 Guilherme de Almeida Suckevicz 2021-03-15 17:59:14 UTC 
Created leptonica tracking bugs for this issue:

Affects: epel-7 [bug 1939209]
Affects: fedora-all [bug 1939207]


Created mingw-leptonica tracking bugs for this issue:

Affects: fedora-all [bug 1939208]
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