In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in…
Priority MEDIUM 46CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.
Why it matters now
EPSS 0.02148 82nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:* | up to 1.2.104 | Vulnerable | Cherokee-project |
- cpe:2.3:a:cherokee-project:cherokee:*:*:*:*:*:*:*:* Versions up to 1.2.104 Vulnerable ·Cherokee-project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-20800
- 2026-10-03 Alias added: GHSA-jwp6-5rr6-m93v
References
More Cherokee-project Cherokee vulnerabilities
- TI-2019-15016 An XSS issue was discovered in handler_server_info.c in Cherokee through 1.2.104. CVSS 3.1HIGH 8.4
- TI-2020-10210 Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer… CVSS 3.1HIGH 7.5
- TI-2019-15017 In Cherokee through 1.2.104, multiple memory corruption errors may be used by a remote… CVSS 3.1HIGH 7.5
- TI-2014-03847 The cherokee_validator_ldap_check function in validator_ldap.c in Cherokee 1.2.103 and… CVSS 2.0MEDIUM 6.8
- TI-2009-04250 header.c in Cherokee before 0.99.32 writes data to a log file without sanitizing… CVSS 2.0MEDIUM 5.0
- TI-2011-01913 Cross-site request forgery (CSRF) vulnerability in Cherokee-admin in Cherokee before… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2019-20800 · CVE Program
- CVE-2019-20800 · NVD
- FIRST EPSS
- GHSA-jwp6-5rr6-m93v · GitHub Advisory Database · CC BY 4.0
- CVE-2019-20800 · 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