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ubuntucveUbuntu.comUB:CVE-2018-20657
HistoryJan 02, 2019 - 12:00 a.m.

CVE-2018-20657

2019-01-0200:00:00
ubuntu.com
ubuntu.com
8

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

74.5%

JSON

The demangle_template function in cplus-dem.c in GNU libiberty, as
distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string,
leading to a denial of service (memory consumption), as demonstrated by
cxxfilt, a related issue to CVE-2018-12698.

Bugs

Notes

Author Note
mdeslaur 10-byte memleak, not considered important to be fixed by upstream, so no patch is available as of 2023-06-02

Related

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K62602089 : Binutils vulnerabilities CVE-2018-20002 and CVE-2018-20657
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(RHSA-2019:3352) Low: gdb security, bug fix, and enhancement update
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Fix of CVE: CVE-2021-45078, CVE-2018-9138, CVE-2018-17985, CVE-2018-12641, CVE-2018-12699, CVE-2018-12698, CVE-2018-12697, CVE-2018-12700, CVE-2018-18484, CVE-2018-18701, CVE-2018-12934, CVE-2018-18700, CVE-2018-17794, CVE-2018-18483
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2022-01-11 12:27:33
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2019-08-03 00:00:00
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2020-04-08 00:00:00
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2019-12-20 13:52:21
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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

74.5%

JSON
Related for UB:CVE-2018-20657
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