Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07…
Priority MEDIUM 46CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 16 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to execute arbitrary code via a crafted Literal Run.
Why it matters now
EPSS 0.05315 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 16 fixed, 3 without a fix
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
Remediation
Red Hat 1 advisory
- RHSA-2014:0861 Released 2014-07-09 · Red Hat rating Moderatelzo security update
- Red Hat Enterprise Linux Client (v. 7) lzo-2.06-6.el7_0.2, lzo-minilzo-2.06-6.el7_0.2
- Red Hat Enterprise Linux Client Optional (v. 7) lzo-devel-2.06-6.el7_0.2
- Red Hat Enterprise Linux ComputeNode (v. 7) lzo-2.06-6.el7_0.2
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) lzo-devel-2.06-6.el7_0.2, lzo-minilzo-2.06-6.el7_0.2
- Red Hat Enterprise Linux Desktop (v. 6) lzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux Desktop Optional (v. 6) lzo-2.03-3.1.el6_5.1, lzo-devel-2.03-3.1.el6_5.1, lzo-minilzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux HPC Node (v. 6) lzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux HPC Node Optional (v. 6) lzo-2.03-3.1.el6_5.1, lzo-devel-2.03-3.1.el6_5.1, lzo-minilzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux Server (v. 6) lzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux Server (v. 7) lzo-2.06-6.el7_0.2, lzo-2.06-6.el7_0.2.ppc, lzo-minilzo-2.06-6.el7_0.2
- Red Hat Enterprise Linux Server Optional (v. 6) lzo-2.03-3.1.el6_5.1, lzo-2.03-3.1.el6_5.1.ppc, lzo-devel-2.03-3.1.el6_5.1 +3
- Red Hat Enterprise Linux Server Optional (v. 7) lzo-devel-2.06-6.el7_0.2, lzo-devel-2.06-6.el7_0.2.ppc, lzo-minilzo-2.06-6.el7_0.2 +1
- Red Hat Enterprise Linux Workstation (v. 6) lzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux Workstation (v. 7) lzo-2.06-6.el7_0.2, lzo-minilzo-2.06-6.el7_0.2
- Red Hat Enterprise Linux Workstation Optional (v. 6) lzo-2.03-3.1.el6_5.1, lzo-devel-2.03-3.1.el6_5.1, lzo-minilzo-2.03-3.1.el6_5.1
- Red Hat Enterprise Linux Workstation Optional (v. 7) lzo-devel-2.06-6.el7_0.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2014:0861 |
Not affected: 1 product
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2014-4607
- 2026-10-03 Alias added: GHSA-cmpx-jgrc-px9h
References
Sources
- CVE-2014-4607 · CVE Program
- CVE-2014-4607 · NVD
- FIRST EPSS
- GHSA-cmpx-jgrc-px9h · GitHub Advisory Database · CC BY 4.0
- CVE-2014-4607 · Red Hat security data · CC BY 4.0
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