Integer overflow in Lighttpd

CVE-2019-11072

lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a malicious HTTP GET request, as demonstrated by mishan…

Vulnerability class: Integer Overflow

EPSS: 0.738 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2019-11072?
CVE-2019-11072 is a critical-severity vulnerability in Lighttpd, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-04-10.
How severe is CVE-2019-11072?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-11072 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.