CVE-2021-36978

Public on 2021-07-20
Modified on 2024-02-25
Description
QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core qpdf 2023-06-27 ALAS2-2023-2104 Fixed
Amazon Linux 2 - Core qpdf 2024-01-09 ALAS2-2024-2409 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2021-36978 Mitre: CVE-2021-36978