CVE-2021-36978

2021-07-2000:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

41.3%

JSON

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.

Bugs

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

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchqpdf< 8.0.2-3ubuntu0.1UNKNOWN
ubuntu20.04noarchqpdf< 9.1.1-1ubuntu0.1UNKNOWN
ubuntu16.04noarchqpdf< 8.0.2-3~16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	qpdf	< 8.0.2-3ubuntu0.1	UNKNOWN
ubuntu	20.04	noarch	qpdf	< 9.1.1-1ubuntu0.1	UNKNOWN
ubuntu	16.04	noarch	qpdf	< 8.0.2-3~16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN