Stack-based buffer overflow in the HTrjis function in Lynx 2.8.6 and earlier allows…
Priority MEDIUM 62CWE-131Published · 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
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-131 and the CVSS impact.
Summary
Stack-based buffer overflow in the HTrjis function in Lynx 2.8.6 and earlier allows remote NNTP servers to execute arbitrary code via certain article headers containing Asian characters that cause Lynx to add extra escape (ESC) characters.
Why it matters now
EPSS 0.23257 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:invisible-island:lynx:*:*:*:*:*:*:*:* | up to 2.8.6 | Vulnerable | Invisible-island |
| cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Debian |
- cpe:2.3:a:invisible-island:lynx:*:*:*:*:*:*:*:* Versions up to 2.8.6 Vulnerable ·Invisible-island
- cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
Remediation
Red Hat 1 advisory
- RHSA-2005:803 Released 2005-10-17 · Red Hat rating Criticallynx security update
- Red Hat Desktop version 3 lynx-2.8.5-11.1, lynx-2.8.5-11.1.i386
- Red Hat Enterprise Linux AS version 3 lynx-2.8.5-11.1, lynx-2.8.5-11.1.i386, lynx-2.8.5-11.1.ia64 +1
- Red Hat Enterprise Linux AS version 4 lynx-2.8.5-18.1, lynx-2.8.5-18.1.i386, lynx-2.8.5-18.1.ia64 +1
- Red Hat Enterprise Linux Desktop version 4 lynx-2.8.5-18.1, lynx-2.8.5-18.1.i386
- Red Hat Enterprise Linux ES version 3 lynx-2.8.5-11.1, lynx-2.8.5-11.1.i386, lynx-2.8.5-11.1.ia64
- Red Hat Enterprise Linux ES version 4 lynx-2.8.5-18.1, lynx-2.8.5-18.1.i386, lynx-2.8.5-18.1.ia64
- Red Hat Enterprise Linux WS version 3 lynx-2.8.5-11.1, lynx-2.8.5-11.1.i386, lynx-2.8.5-11.1.ia64
- Red Hat Enterprise Linux WS version 4 lynx-2.8.5-18.1, lynx-2.8.5-18.1.i386, lynx-2.8.5-18.1.ia64
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2005:803 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:803 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-3120
- 2026-10-03 Alias added: GHSA-c6vg-33v6-g8vm
References
Advisory 12
Sources
- CVE-2005-3120 · CVE Program
- CVE-2005-3120 · NVD
- FIRST EPSS
- GHSA-c6vg-33v6-g8vm · GitHub Advisory Database · CC BY 4.0
- CVE-2005-3120 · 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