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CVE-2017-8073

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This...

7.5 HighFix available

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

3.11%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
CVE-2017-8073
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
CVE-2017-8073
Updated
2026-11-02
EUVDEUVD-2017-17036 No score

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
EUVD-2017-17036
Updated
2026-11-03
GitHub AdvisoriesGHSA-67v2-2xg7-wff8 7.5

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This...

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
GHSA-67v2-2xg7-wff8
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-119
Updated
2026-11-02
OSVALPINE-CVE-2017-8073 7.5

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
ALPINE-CVE-2017-8073
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
CVE-2017-8073
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2017-8073 7.5

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
DEBIAN-CVE-2017-8073
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-8073 7.5

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Record
UBUNTU-CVE-2017-8073
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2017-0190 No score

Updated weechat packages fix security vulnerability

It was discovered that weechat is prone to a buffer overflow vulnerability in the IRC plugin, allowing a remote attacker to cause a denial-of-service by sending a specially crafted filename via DCC (CVE-2017-8073).

Record
MGASA-2017-0190
Updated
2026-11-02
OSVopenSUSE-SU-2024:11508-1 No score

weechat-3.2-1.3 on GA media

These are all security issues fixed in the weechat-3.2-1.3 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11508-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
weechat
Alpine:v3.2
 before 1.2-r1
1.2-r1
weechat
Alpine:v3.3
 before 1.3-r4
1.3-r4
weechat
Alpine:v3.4
 before 1.5-r2
1.5-r2
weechat
Alpine:v3.5
 before 1.6.0-r1
1.6.0-r1
weechat
Alpine:v3.6
 before 1.7.1-r0
1.7.1-r0
weechat
Alpine:v3.7
 before 1.7.1-r0
1.7.1-r0
weechat
Alpine:v3.8
 before 1.7.1-r0
1.7.1-r0
weechat
Alpine:v3.9
 before 1.7.1-r0
1.7.1-r0
weechat
Debian:12
 before 1.7-3
1.7-3
weechat
Debian:13
 before 1.7-3
1.7-3
Show 7 moreShow less
Affected packages
PackageAffectedFixed
weechat
Debian:14
 before 1.7-3
1.7-3
weechat
Debian:7
 before 0.3.8-1+deb7u2, plus listed versions
0.3.8-1+deb7u1
0.3.8-1+deb7u2
weechat
Debian:8
 before 1.0.1-1+deb8u1, plus listed versions
1.0.1-11.0.1-1+deb8u1~bpo70+1
1.0.1-1+deb8u1
weechat
Mageia:5
 before 0.4.1-7.1.mga5
0.4.1-7.1.mga5
weechat
Ubuntu:14.04:LTS
 before 0.4.2-3ubuntu0.1, plus listed versions
0.4.1-20.4.2-2ubuntu10.4.2-3
0.4.2-3ubuntu0.1
weechat
Ubuntu:16.04:LTS
 before 1.4-2ubuntu0.1, plus listed versions
1.3-11.3-1build11.4-11.4-1build11.4-1build21.4-2
1.4-2ubuntu0.1
weechat
openSUSE:Tumbleweed
 before 3.2-1.3
3.2-1.3

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-8073 is a high vulnerability (CVSS 7.5) in Weechat, published April 23, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.11%, the 87th percentile. Fixed in weechat 1.2-r1.

References

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