ALPINE-CVE-2020-11100

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2020-11100
Published: 02 Apr 2020, 15:15
Last modified:08 Jul 2026, 04:30

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Apr 2020, 15:15
Published
Vulnerability first disclosed
08 Jul 2026, 04:30
Last Modified
Vulnerability information updated

Description

In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • alpine•haproxy

    < 2.0.14-r0 | < 2.0.14-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 2.1.4-r0 | < 1.8.25-r0 | ≥ 1.8.0, < 2.0.14-r0 | ≥ 1.8.0, < 2.0.14-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 2.1.4-r0 | ≥ 1.8.0, < 1.8.25-r0

References (1)