CVE-2020-36277
First published: Thu Mar 11 2021(Updated: )
Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Leptonica | <1.80.0 | |
| Linux kernel | ||
| Fedora | =32 | |
| Fedora | =33 | |
| Debian | =9.0 |
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Reference Links
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997
- https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0
- https://github.com/DanBloomberg/leptonica/pull/499
- https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/
- https://security.gentoo.org/glsa/202107-53
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/
Frequently Asked Questions
What is the severity of CVE-2020-36277?
CVE-2020-36277 has a severity rating of medium due to its potential to cause a denial of service.
How do I fix CVE-2020-36277?
To fix CVE-2020-36277, upgrade Leptonica to version 1.80.0 or later.
What causes the vulnerability CVE-2020-36277?
CVE-2020-36277 is caused by an incorrect left shift operation in the pixConvert2To8 function.
Which software versions are affected by CVE-2020-36277?
CVE-2020-36277 affects Leptonica versions prior to 1.80.0.
Does CVE-2020-36277 affect Linux distributions?
CVE-2020-36277 may affect specific Linux distributions like Fedora 32 and 33, and Debian 9.0 if running vulnerable versions of Leptonica.
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/author
- agent/references
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/leptonica
- canonical/leptonica
- vendor/linux
- canonical/linux kernel
- vendor/fedoraproject
- canonical/fedora
- version/fedora/32
- version/fedora/33
- vendor/debian
- canonical/debian
- version/debian/9.0