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CVE-2018-19115
keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other…
Critical9.8EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (10)
- GLSA-201903-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [debian-lts-announce] 20181126 [SECURITY] [DLA-1589-1] keepalived security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=1015141 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4b1327b367b6a10e9 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/acassen/keepalived/pull/961 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2019:0022 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3995-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3995-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2019:1792 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:1945 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-19115)Record last updated .