WeeChat before 4.4.2 has an integer overflow and resultant buffer overflow at…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
WeeChat before 4.4.2 has an integer overflow and resultant buffer overflow at core/core-string.c when there are more than two billion items in a list. This affects string_free_split_shared , string_free_split, string_free_split_command, and string_free_split_tags.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-46613
- 2026-10-03 Alias added: GHSA-q743-h9vw-38hv
References
More Weechat vulnerabilities
- TI-2020-07189 irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote… CVSS 3.1CRITICAL 9.8
- TI-2020-07845 An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). CVSS 3.1CRITICAL 9.8
- TI-2017-05663 WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC… CVSS 3.0HIGH 7.5
- TI-2021-17557 WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a… CVSS 3.1HIGH 7.5
- TI-2022-11111 WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly… CVSS 3.1MEDIUM 4.8
Sources
- CVE-2024-46613 · CVE Program
- CVE-2024-46613 · NVD
- FIRST EPSS
- GHSA-q743-h9vw-38hv · GitHub Advisory Database · CC BY 4.0
- CVE-2024-46613 · Red Hat security data · CC BY 4.0
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