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No exploitation reportedFix available

CVE-2014-4607

No exploitation reported by the sources we read.

  • Published2020-02-12
  • Fixed in2.07
  • WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2020-02-1214:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2014-4607?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2014-4607?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Oberhumer liblzo2
BranchAffectedFixed in
2.7< 2.072.07
Oberhumer lzo2
BranchAffectedFixed in
2.7< 2.072.07

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • akonadiMageia:4all versions · fixed in 1.11.0-1.mga4
  • blenderMageia:4all versions · fixed in 2.69-1.1.mga4
  • blenderMageia:3all versions · fixed in 2.65a-5.1.mga3
  • bluedevilMageia:4all versions · fixed in 2.0.0-0.git20140216.1.1.mga4
  • busyboxMageia:4all versions · fixed in 1.21.1-3.1.mga4
  • busyboxMageia:3all versions · fixed in 1.20.2-2.2.mga3
  • busyboxDebian:14all versions · fixed in 1:1.22.0-10
  • busyboxDebian:13all versions · fixed in 1:1.22.0-10

56 more package ranges on OSV.dev

Vendor advisories

  • CVE-2014-4607 Red Hat Product Security132 products fixed · 31 known affected

    lzo: lzo1x_decompress_safe() integer overflow

    busybox.src as a component of Red Hat Enterprise Linux 5 · dump.src as a component of Red Hat Enterprise Linux 5 · busybox as a component of Red Hat Enterprise Linux 6 · +28 more

  • RHSA-2014:0861 Red Hat Product Security132 products fixed

    Red Hat Security Advisory: lzo security update

Full record on NVD

Fix

  1. Update Oberhumer liblzo2 to 2.07
  2. Vendor fix Red Hat Product Security RHSA-2014:0861 · 132 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258
  3. No fix available, says the vendor Red Hat Product Security CVE-2014-4607 · 22 productsAffected
  4. No fix planned, says the vendor Red Hat Product Security CVE-2014-4607 · 9 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • NVDweakness (CWE)CWE-190read 2026-10-23
  • FIRST EPSSEPSS score5.3 %2026-11-02
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2020-02-12
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2014-4607?

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.

Is CVE-2014-4607 actively exploited?

Active exploitation of CVE-2014-4607 has not been confirmed. Its EPSS score was 5.3% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2014-4607?

CVE-2014-4607 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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