All vulnerabilities

Servers and applications

CVE-2019-19330

The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.

Severity
Critical 9.8
Published
27 Nov 2019
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.0.10
Sources
NVD

Affected software

SoftwareAffected versions
HAProxyServers and applications · cpe:a:haproxy:haproxy
  • Every version before 2.0.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-19330
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-19330