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CVE-2018-20615
An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a…
High7.5EPSS 4.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.5% · top 8.5% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 106645 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2019:0275 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [opensuse-security-announce] 20190213 [security-announce] openSUSE-SU-2019:0166-1: important: Security update for haproxy (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 3858-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [[email protected]] 20190108 [ANNOUNCE] haproxy-1.8.17 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHBA-2019:0327 (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)
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[](https://trackcve.app/cve/CVE-2018-20615)Record last updated .