CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
42.2%
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.
github.com/google/oss-fuzz-vulns/blob/main/vulns/qpdf/OSV-2020-2245.yaml
launchpad.net/bugs/cve/CVE-2021-36978
nvd.nist.gov/vuln/detail/CVE-2021-36978
security-tracker.debian.org/tracker/CVE-2021-36978
ubuntu.com/security/notices/USN-5026-1
ubuntu.com/security/notices/USN-5026-2
www.cve.org/CVERecord?id=CVE-2021-36978
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
42.2%