Format string vulnerability in the mod_proxy hook functions function in ssl_engine_log.c…
Priority MEDIUM 42Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Format string vulnerability in the mod_proxy hook functions function in ssl_engine_log.c in mod_ssl before 2.8.19 for Apache before 1.3.31 may allow remote attackers to execute arbitrary messages via format string specifiers in certain log messages for HTTPS that are handled by the ssl_log function.
Why it matters now
EPSS 0.05802 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
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 · 44
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mod_ssl:mod_ssl:2.3.11:*:*:*:*:*:*:* | 2.3.11 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.4:*:*:*:*:*:*:* | 2.4.4 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.5:*:*:*:*:*:*:* | 2.4.5 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.6:*:*:*:*:*:*:* | 2.4.6 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.7:*:*:*:*:*:*:* | 2.4.7 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.8:*:*:*:*:*:*:* | 2.4.8 | Vulnerable | Mod Ssl |
- cpe:2.3:a:mod_ssl:mod_ssl:2.3.11:*:*:*:*:*:*:* Versions 2.3.11 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.5:*:*:*:*:*:*:* Versions 2.4.5 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.7:*:*:*:*:*:*:* Versions 2.4.7 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.8:*:*:*:*:*:*:* Versions 2.4.8 Vulnerable ·Mod Ssl
Show 34 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.9:*:*:*:*:*:*:* | 2.4.9 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.4.10:*:*:*:*:*:*:* | 2.4.10 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.5.0:*:*:*:*:*:*:* | 2.5.0 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.1:*:*:*:*:*:*:* | 2.6.1 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.3:*:*:*:*:*:*:* | 2.6.3 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.4:*:*:*:*:*:*:* | 2.6.4 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.5:*:*:*:*:*:*:* | 2.6.5 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.6.6:*:*:*:*:*:*:* | 2.6.6 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.7.0:*:*:*:*:*:*:* | 2.7.0 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.7.1:*:*:*:*:*:*:* | 2.7.1 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.0:*:*:*:*:*:*:* | 2.8.0 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.1:*:*:*:*:*:*:* | 2.8.1 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.1.2:*:*:*:*:*:*:* | 2.8.1.2 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.2:*:*:*:*:*:*:* | 2.8.2 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.3:*:*:*:*:*:*:* | 2.8.3 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.4:*:*:*:*:*:*:* | 2.8.4 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.5:*:*:*:*:*:*:* | 2.8.5 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.5.1:*:*:*:*:*:*:* | 2.8.5.1 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.5.2:*:*:*:*:*:*:* | 2.8.5.2 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.6:*:*:*:*:*:*:* | 2.8.6 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.7:*:*:*:*:*:*:* | 2.8.7 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.8:*:*:*:*:*:*:* | 2.8.8 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.9:*:*:*:*:*:*:* | 2.8.9 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.10:*:*:*:*:*:*:* | 2.8.10 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.12:*:*:*:*:*:*:* | 2.8.12 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.14:*:*:*:*:*:*:* | 2.8.14 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.15:*:*:*:*:*:*:* | 2.8.15 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.16:*:*:*:*:*:*:* | 2.8.16 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.17:*:*:*:*:*:*:* | 2.8.17 | Vulnerable | Mod Ssl |
| cpe:2.3:a:mod_ssl:mod_ssl:2.8.18:*:*:*:*:*:*:* | 2.8.18 | Vulnerable | Mod Ssl |
| cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | gentoo |
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.9:*:*:*:*:*:*:* Versions 2.4.9 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.4.10:*:*:*:*:*:*:* Versions 2.4.10 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.3:*:*:*:*:*:*:* Versions 2.6.3 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.5:*:*:*:*:*:*:* Versions 2.6.5 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.6.6:*:*:*:*:*:*:* Versions 2.6.6 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.7.0:*:*:*:*:*:*:* Versions 2.7.0 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.7.1:*:*:*:*:*:*:* Versions 2.7.1 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.0:*:*:*:*:*:*:* Versions 2.8.0 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.1:*:*:*:*:*:*:* Versions 2.8.1 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.1.2:*:*:*:*:*:*:* Versions 2.8.1.2 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.2:*:*:*:*:*:*:* Versions 2.8.2 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.3:*:*:*:*:*:*:* Versions 2.8.3 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.4:*:*:*:*:*:*:* Versions 2.8.4 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.5:*:*:*:*:*:*:* Versions 2.8.5 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.5.1:*:*:*:*:*:*:* Versions 2.8.5.1 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.5.2:*:*:*:*:*:*:* Versions 2.8.5.2 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.6:*:*:*:*:*:*:* Versions 2.8.6 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.7:*:*:*:*:*:*:* Versions 2.8.7 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.8:*:*:*:*:*:*:* Versions 2.8.8 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.9:*:*:*:*:*:*:* Versions 2.8.9 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.10:*:*:*:*:*:*:* Versions 2.8.10 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.12:*:*:*:*:*:*:* Versions 2.8.12 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.14:*:*:*:*:*:*:* Versions 2.8.14 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.15:*:*:*:*:*:*:* Versions 2.8.15 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.16:*:*:*:*:*:*:* Versions 2.8.16 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.17:*:*:*:*:*:*:* Versions 2.8.17 Vulnerable ·Mod Ssl
- cpe:2.3:a:mod_ssl:mod_ssl:2.8.18:*:*:*:*:*:*:* Versions 2.8.18 Vulnerable ·Mod Ssl
- cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·gentoo
Remediation
Red Hat 3 advisories
- RHSA-2008:0523 Released 2008-06-30 · Red Hat rating LowRed Hat Network Proxy Server security update
- Red Hat Satellite Proxy v 4.2 (RHEL v.3 AS) jabberd-2.0s10-3.37.rhn.i386, rhn-apache-1.3.27-36.rhn.rhel3.i386, rhn-modperl-1.29-16.rhel3.i386
- Red Hat Satellite Proxy v 4.2 (RHEL v.4 AS) jabberd-2.0s10-3.38.rhn.i386, rhn-apache-1.3.27-36.rhn.rhel4.i386, rhn-modperl-1.29-16.rhel4.i386
- RHSA-2004:408 Released 2004-09-07 · Red Hat rating Importantmod_ssl security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2004:405 Released 2004-07-23 · Red Hat rating Importantapache, mod_ssl, php security update for Stronghold
- Red Hat Stronghold 4
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2004:408 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2004:408 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2004:408 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2004:408 |
| Red Hat Satellite Proxy v 4.2 (RHEL v.3 AS) | Fixed | RHSA-2008:0523 |
| Red Hat Satellite Proxy v 4.2 (RHEL v.4 AS) | Fixed | RHSA-2008:0523 |
| Red Hat Stronghold 4 | Fixed | RHSA-2004:405 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0700
- 2026-10-03 Alias added: GHSA-mm6m-9rf6-5j2q
References
Sources
- CVE-2004-0700 · CVE Program
- CVE-2004-0700 · NVD
- FIRST EPSS
- GHSA-mm6m-9rf6-5j2q · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0700 · 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