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9.8
CVSSv3

CVE-2020-9760

Published: 23/03/2020 Updated: 01/04/2022
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

An issue exists in WeeChat prior to 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

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weechat weechat

debian debian linux 8.0

debian debian linux 9.0

Vendor Advisories

Arch Linux Issues:
A buffer overflow has been found in Weechat before 271, when a new IRC message 005 is received with longer nick prefixes ...

References

CWE-120https://weechat.org/doc/security/https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197fhttps://lists.debian.org/debian-lts-announce/2020/03/msg00031.htmlhttps://security.gentoo.org/glsa/202003-51https://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlhttps://nvd.nist.govhttps://security.archlinux.org/CVE-2020-9760
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-22120CVE-2024-35921CVE-2024-35874brute forceCVE-2024-36080unprivilegedCVE-2024-35917IDORCVE-2024-4947
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