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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-33463
HistoryJul 26, 2022 - 1:15 p.m.

CVE-2021-33463

2022-07-2613:15:09
Debian Security Bug Tracker
security-tracker.debian.org
22
yasm v1.3.0
null pointer dereference
yasm_expr__copy_except()
unix

CVSS3

5.5

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

0.001

Percentile

23.8%

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr__copy_except() in libyasm/expr.c.

CVSS3

5.5

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

0.001

Percentile

23.8%