Ubuntu.comUB:CVE-2020-36430CVE-2020-36430
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
43.0%
libass 0.15.x before 0.15.1 has a heap-based buffer overflow in
decode_chars (called from decode_font and process_text) because the wrong
integer data type is used for subtraction.
Notes
| Author | Note |
|---|---|
| ccdm94 | introduced by commit 910211f. |
References
bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674
github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml
github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632
launchpad.net/bugs/cve/CVE-2020-36430
nvd.nist.gov/vuln/detail/CVE-2020-36430
security-tracker.debian.org/tracker/CVE-2020-36430
www.cve.org/CVERecord?id=CVE-2020-36430
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
43.0%