Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 455
Alerts This Week
Warning Icon 1 455

Mageia 7 MGASA-2021-0290 Critical: Leptonica Denial Of Service

mageia
Calendar Grey June 28, 2021
Scroller Mageia
Recent updates for leptonica packages resolve significant vulnerabilities in Mageia 7, including major concerns around denial of service threats.
Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c (CVE-2020-36277)

Summary

Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c (CVE-2020-36277).
Leptonica before 1.80.0 allows a heap-based buffer over-read in findNextBorderPixel in ccbord.c (CVE-2020-36278).
Leptonica before 1.80.0 allows a heap-based buffer over-read in rasteropGeneralLow, related to adaptmap_reg.c and adaptmap.c (CVE-2020-36279).
Leptonica before 1.80.0 allows a heap-based buffer over-read in pixReadFromTiffStream, related to tiffio.c (CVE-2020-36280).
Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c (CVE-2020-36281).

References

- https://bugs.mageia.org/show_bug.cgi?id=28994

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA/

- https://lists.debian.org/debian-lts-announce/2021/03/msg00037.html

- https://www.cve.org/CVERecord?id=CVE-2020-36277

- https://www.cve.org/CVERecord?id=CVE-2020-36278

- https://www.cve.org/CVERecord?id=CVE-2020-36279

- https://www.cve.org/CVERecord?id=CVE-2020-36280

- https://www.cve.org/CVERecord?id=CVE-2020-36281

Topics%20covered

Topics Covered

security advisory denial of service critical issue application crash buffer over-read mageia leptonica

Resolution

SRPMS

- 7/core/leptonica-1.80.0-1.mga7

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 28 Jun 2021
URL: https://advisories.mageia.org/MGASA-2021-0290.html
Type: security
CVE: CVE-2020-36277, CVE-2020-36278, CVE-2020-36279, CVE-2020-36280, CVE-2020-36281

Topics%20covered

Topics Covered

security advisory denial of service critical issue application crash buffer over-read mageia leptonica

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.