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CVE-2021-36978

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 202401-20
Posted Jan 16, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202401-20 - A vulnerability has been found in QPDF which can lead to a heap-based buffer overflow. Versions greater than or equal to 10.1.0 are affected.

tags | advisory, overflow
systems | linux, gentoo
advisories | CVE-2021-36978
SHA-256 | 69b3736c24b0845bb03eb0957955a8f6ad32fc45aa1950f917fb02f5a73d2d4e
Ubuntu Security Notice USN-5026-2
Posted Aug 2, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5026-2 - USN-5026-1 fixed several vulnerabilities in QPDF. This update provides the corresponding update for Ubuntu 16.04 ESM. It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume resources, resulting in a denial of service. It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-18020, CVE-2021-36978
SHA-256 | 25968ce5fe1807da8a632ab50111c460d20e2ed2e3a49e7f44744017e7471d1f
Ubuntu Security Notice USN-5026-1
Posted Jul 30, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5026-1 - It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-18020, CVE-2021-36978
SHA-256 | cef1580c2afb6cf2bd8a84003d5771f8149f09ba4f18f87176a2615bf4d50261
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