CVE-2020-36279
First published: Fri Mar 12 2021(Updated: )
Leptonica before 1.80.0 allows a heap-based buffer over-read in rasteropGeneralLow, related to adaptmap_reg.c and adaptmap.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=22512
- https://github.com/DanBloomberg/leptonica/commit/3c18c43b6a3f753f0dfff99610d46ad46b8bfac4
- https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0
- 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-2020-36279?
CVE-2020-36279 is classified as a medium severity vulnerability due to the potential for a heap-based buffer over-read.
How do I fix CVE-2020-36279?
To fix CVE-2020-36279, you should upgrade Leptonica to version 1.80.0 or later.
What software is affected by CVE-2020-36279?
CVE-2020-36279 primarily affects versions of Leptonica prior to 1.80.0.
Can CVE-2020-36279 be exploited remotely?
CVE-2020-36279 requires local conditions to be exploited, so it is not a remote vulnerability.
What impact does CVE-2020-36279 have on the system?
CVE-2020-36279 can lead to information disclosure or potentially crashing the application utilizing Leptonica.
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- source/MITRE
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- agent/softwarecombine
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- 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