lighttpd before 1.4.26, and 1.5.x, allocates a buffer for each read operation that occurs…
Priority LOW 37CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
lighttpd before 1.4.26, and 1.5.x, allocates a buffer for each read operation that occurs for a request, which allows remote attackers to cause a denial of service (memory consumption) by breaking a request into small pieces that are sent at a slow rate.
Why it matters now
EPSS 0.12111 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 62
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:* | up to 1.4.25 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.0.3:*:*:*:*:*:*:* | 1.0.3 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.0:*:*:*:*:*:*:* | 1.1.0 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.1:*:*:*:*:*:*:* | 1.1.1 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.2:*:*:*:*:*:*:* | 1.1.2 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.3:*:*:*:*:*:*:* | 1.1.3 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.4:*:*:*:*:*:*:* | 1.1.4 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.5:*:*:*:*:*:*:* | 1.1.5 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.6:*:*:*:*:*:*:* | 1.1.6 | Vulnerable | lighttpd |
- cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:* Versions up to 1.4.25 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.0.3:*:*:*:*:*:*:* Versions 1.0.3 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.1:*:*:*:*:*:*:* Versions 1.1.1 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.2:*:*:*:*:*:*:* Versions 1.1.2 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.3:*:*:*:*:*:*:* Versions 1.1.3 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.4:*:*:*:*:*:*:* Versions 1.1.4 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.5:*:*:*:*:*:*:* Versions 1.1.5 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.6:*:*:*:*:*:*:* Versions 1.1.6 Vulnerable ·lighttpd
Show 52 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lighttpd:lighttpd:1.1.7:*:*:*:*:*:*:* | 1.1.7 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.8:*:*:*:*:*:*:* | 1.1.8 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.1.9:*:*:*:*:*:*:* | 1.1.9 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.0:*:*:*:*:*:*:* | 1.2.0 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.2:*:*:*:*:*:*:* | 1.2.2 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.3:*:*:*:*:*:*:* | 1.2.3 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.5:*:*:*:*:*:*:* | 1.2.5 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.6:*:*:*:*:*:*:* | 1.2.6 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.7:*:*:*:*:*:*:* | 1.2.7 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.2.8:*:*:*:*:*:*:* | 1.2.8 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.0:*:*:*:*:*:*:* | 1.3.0 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.1:*:*:*:*:*:*:* | 1.3.1 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.2:*:*:*:*:*:*:* | 1.3.2 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.3:*:*:*:*:*:*:* | 1.3.3 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.4:*:*:*:*:*:*:* | 1.3.4 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.5:*:*:*:*:*:*:* | 1.3.5 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.6:*:*:*:*:*:*:* | 1.3.6 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.8:*:*:*:*:*:*:* | 1.3.8 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.9:*:*:*:*:*:*:* | 1.3.9 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.10:*:*:*:*:*:*:* | 1.3.10 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.11:*:*:*:*:*:*:* | 1.3.11 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.12:*:*:*:*:*:*:* | 1.3.12 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.13:*:*:*:*:*:*:* | 1.3.13 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.14:*:*:*:*:*:*:* | 1.3.14 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.15:*:*:*:*:*:*:* | 1.3.15 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.3.16:*:*:*:*:*:*:* | 1.3.16 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.2:*:*:*:*:*:*:* | 1.4.2 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.3:*:*:*:*:*:*:* | 1.4.3 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.4:*:*:*:*:*:*:* | 1.4.4 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.5:*:*:*:*:*:*:* | 1.4.5 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.6:*:*:*:*:*:*:* | 1.4.6 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.7:*:*:*:*:*:*:* | 1.4.7 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.8:*:*:*:*:*:*:* | 1.4.8 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.9:*:*:*:*:*:*:* | 1.4.9 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.10:*:*:*:*:*:*:* | 1.4.10 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.11:*:*:*:*:*:*:* | 1.4.11 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.12:*:*:*:*:*:*:* | 1.4.12 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.13:*:*:*:*:*:*:* | 1.4.13 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.14:*:*:*:*:*:*:* | 1.4.14 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.15:*:*:*:*:*:*:* | 1.4.15 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.16:*:*:*:*:*:*:* | 1.4.16 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.17:*:*:*:*:*:*:* | 1.4.17 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.18:*:*:*:*:*:*:* | 1.4.18 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.19:*:*:*:*:*:*:* | 1.4.19 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.20:*:*:*:*:*:*:* | 1.4.20 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.21:*:*:*:*:*:*:* | 1.4.21 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.22:*:*:*:*:*:*:* | 1.4.22 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.23:*:*:*:*:*:*:* | 1.4.23 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.4.24:*:*:*:*:*:*:* | 1.4.24 | Vulnerable | lighttpd |
| cpe:2.3:a:lighttpd:lighttpd:1.5.0:*:*:*:*:*:*:* | 1.5.0 | Vulnerable | lighttpd |
- cpe:2.3:a:lighttpd:lighttpd:1.1.7:*:*:*:*:*:*:* Versions 1.1.7 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.8:*:*:*:*:*:*:* Versions 1.1.8 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.1.9:*:*:*:*:*:*:* Versions 1.1.9 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.5:*:*:*:*:*:*:* Versions 1.2.5 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.6:*:*:*:*:*:*:* Versions 1.2.6 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.2.8:*:*:*:*:*:*:* Versions 1.2.8 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.6:*:*:*:*:*:*:* Versions 1.3.6 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.8:*:*:*:*:*:*:* Versions 1.3.8 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.9:*:*:*:*:*:*:* Versions 1.3.9 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.10:*:*:*:*:*:*:* Versions 1.3.10 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.11:*:*:*:*:*:*:* Versions 1.3.11 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.12:*:*:*:*:*:*:* Versions 1.3.12 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.13:*:*:*:*:*:*:* Versions 1.3.13 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.14:*:*:*:*:*:*:* Versions 1.3.14 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.15:*:*:*:*:*:*:* Versions 1.3.15 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.3.16:*:*:*:*:*:*:* Versions 1.3.16 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.6:*:*:*:*:*:*:* Versions 1.4.6 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.7:*:*:*:*:*:*:* Versions 1.4.7 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.8:*:*:*:*:*:*:* Versions 1.4.8 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.9:*:*:*:*:*:*:* Versions 1.4.9 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.10:*:*:*:*:*:*:* Versions 1.4.10 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.11:*:*:*:*:*:*:* Versions 1.4.11 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.12:*:*:*:*:*:*:* Versions 1.4.12 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.13:*:*:*:*:*:*:* Versions 1.4.13 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.14:*:*:*:*:*:*:* Versions 1.4.14 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.15:*:*:*:*:*:*:* Versions 1.4.15 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.16:*:*:*:*:*:*:* Versions 1.4.16 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.17:*:*:*:*:*:*:* Versions 1.4.17 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.18:*:*:*:*:*:*:* Versions 1.4.18 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.19:*:*:*:*:*:*:* Versions 1.4.19 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.20:*:*:*:*:*:*:* Versions 1.4.20 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.21:*:*:*:*:*:*:* Versions 1.4.21 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.22:*:*:*:*:*:*:* Versions 1.4.22 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.23:*:*:*:*:*:*:* Versions 1.4.23 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.4.24:*:*:*:*:*:*:* Versions 1.4.24 Vulnerable ·lighttpd
- cpe:2.3:a:lighttpd:lighttpd:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·lighttpd
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2010-0295
- 2026-10-03 Alias added: GHSA-x8r6-c7pf-w6m4
References
Patch 3
Other 6
- http://redmine.lighttpd.net/projects/lighttpd/repository/revisions/2711
- ADV-2011-0172
- http://redmine.lighttpd.net/issues/2147
- http://blogs.sun.com/security/entry/cve_2010_0295_vulnerability_in
- http://redmine.lighttpd.net/projects/lighttpd/repository/revisions/2710
- [oss-security] 20100202 lighttpd: slow request dos/oom attack [CVE-2010-0295]
More Lighttpd vulnerabilities
- TI-2019-08280 lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers… CVSS 3.0CRITICAL 9.8
- TI-2014-01841 SQL injection vulnerability in mod_mysql_vhost.c in lighttpd before 1.4.35 allows remote… CVSS 3.1CRITICAL 9.8
- TI-2022-12909 Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU… CVSS 3.1HIGH 7.5
- TI-2018-13505 An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before… CVSS 3.1HIGH 7.5
- TI-2014-01842 Multiple directory traversal vulnerabilities in (1) mod_evhost and (2) mod_simple_vhost… CVSS 2.0MEDIUM 5.0
- TI-2013-04004 lighttpd before 1.4.33 does not check the return value of the (1) setuid, (2) setgid, or… CVSS 2.0HIGH 7.6
Sources
- CVE-2010-0295 · CVE Program
- CVE-2010-0295 · NVD
- FIRST EPSS
- GHSA-x8r6-c7pf-w6m4 · GitHub Advisory Database · CC BY 4.0
- CVE-2010-0295 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences