CVE-2021-36978

medium

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.

References

Advisories
More

https://security.gentoo.org/glsa/202401-20

https://github.com/qpdf/qpdf/commit/dc92574c10f3e2516ec6445b88c5d584f40df4e5

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qpdf/OSV-2020-2245.yaml

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28262

https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html

https://github.com/qpdf/qpdf/issues/492

Details

Source: Mitre, NVD

Published: 2021-07-20

Updated: 2024-01-15

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H