HIGH
Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded
Published Nov 19, 2012
7.5
HIGHCVSS 2.0
EPSS 5.54%
Description
Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.54% 0.05543
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05543
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.54% (0.05543) | 92.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.54% (0.05543) | 91.80th | v5 (v2026.06.15) |
| Mar 30, 2025 | 6.61% (0.06610) | 90.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.09% (0.08085) | 86.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.61% (0.06610) | 90.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 12.16% (0.12156) | 95.61th | v3 (v2023.03.01) |
| Jun 19, 2024 | 11.17% (0.11169) | 95.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.84% (0.09837) | 93.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.54% (0.07544) | 92.83th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.54% (0.07544) | 92.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.54% (0.07544) | 81.06th | v2 (v2022.01.01) |
Weaknesses (1)
References (13)
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/87279 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/51377 third-party-advisoryx_refsource_SECUNIA
- http://weechat.org/security/ x_refsource_CONFIRMVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:136 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2012/11/12/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/56482 vdb-entryx_refsource_BID
- https://savannah.nongnu.org/bugs/?37704 x_refsource_CONFIRM
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 19, 2012
Updated Aug 6, 2024
Reserved Nov 12, 2012
Link CVE-2012-5854
CISA Vulnrichment
Updated n/a