Out-of-bounds read in Leptonica - CVE-2020-36280

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Main Vulnerability Database Vulnerabilities #VU55309

Out-of-bounds read in Leptonica - CVE-2020-36280

Published: July 26, 2021


Vulnerability identifier: #VU55309
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-36280
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in pixReadFromTiffStream, related to tiffio.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.


Affected software

Leptonica
Gentoo Linux
openEuler
Fedora
leptonica
leptonica-debugsource
leptonica-devel
leptonica-tools
leptonica-debuginfo
mingw-leptonica

How to mitigate CVE-2020-36280

Install updates from vendor's website.

Leptonica - update to 1.80.0
leptonica - update to 1.79.0-2
leptonica-debugsource - update to 1.79.0-2
leptonica-devel - update to 1.79.0-2
leptonica-tools - update to 1.79.0-2
leptonica-debuginfo - update to 1.79.0-2
mingw-leptonica - addressed in versions 1.80.0-2.fc32, 1.80.0-2.fc33
leptonica - addressed in versions 1.80.0-3.fc32, 1.80.0-3.fc33

External References

Related Security Bulletins