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ubuntucveUbuntu.comUB:CVE-2019-12495
HistoryMay 31, 2019 - 12:00 a.m.

CVE-2019-12495

2019-05-3100:00:00
ubuntu.com
ubuntu.com
9

4.3 Medium

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

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

0.002 Low

EPSS

Percentile

51.7%

An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27.
Compiling a crafted source file leads to a one-byte out-of-bounds write in
the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c
mishandles section switches.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchtcc< anyUNKNOWN
ubuntu20.04noarchtcc< anyUNKNOWN
ubuntu16.04noarchtcc< anyUNKNOWN

4.3 Medium

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

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

0.002 Low

EPSS

Percentile

51.7%

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