PT-2021-4617 · Leptonica+1 · Leptonica+1

Published 2021-03-11 · Updated 2025-01-28 · CVE-2020-36278

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Leptonica versions prior to 1.80.0

Description The issue is related to a heap-based buffer over-read in the findNextBorderPixel function in ccbord.c. This can potentially allow a remote attacker to cause a denial of service.

Recommendations For versions prior to 1.80.0, update to version 1.80.0 or later to resolve the issue. As a temporary workaround, consider disabling the findNextBorderPixel function until a patch is available.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2021-05305

CVE-2020-36278

DLA-2612-1

MGASA-2021-0290

OESA-2021-1327

ROSA-SA-2025-2626

Affected Products

Astra Linux

Leptonica

References · 38

• 🔥 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23433 · Exploit
• https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0 · Patch
• https://github.com/DanBloomberg/leptonica/commit/8d6e1755518cfb98536d6c3daf0601f226d16842 · Patch
• https://advisories.mageia.org/MGASA-2021-0290.html · Security Note
• https://osv.dev/vulnerability/MGASA-2021-0290 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36281 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-36279 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-36278 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-36278 · Security Note
• https://osv.dev/vulnerability/OESA-2021-1327 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-36278 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA · Vendor Advisory
• https://security.gentoo.org/glsa/202107-53 · Vendor Advisory