lzo: lzo1x_decompress_safe() integer overflow
Published Feb 12, 2020
8.8
HIGHCVSS 3.1
EPSS 5.32%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
lzo-0:2.03-3.1.el6_5.1
Fixed · RHSA-2014:0861
Red Hat Enterprise Linux 7
lzo-0:2.06-6.el7_0.2
Fixed · RHSA-2014:0861
Red Hat Enterprise Linux 5
busybox
Will not fix
Red Hat Enterprise Linux 5
dump
Will not fix
Red Hat Enterprise Linux 5
gnutls
Not affected
Red Hat Enterprise Linux 6
busybox
Will not fix
Red Hat Enterprise Linux 6
dump
Will not fix
Red Hat Enterprise Linux 6
kdenetwork
Under investigation
Red Hat Enterprise Linux 7
dump
Will not fix
Red Hat Enterprise Linux 7
grub2
Affected
Red Hat Enterprise Linux 7
kdenetwork
Under investigation
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | lzo-0:2.03-3.1.el6_5.1 | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux 7 | lzo-0:2.06-6.el7_0.2 | Fixed | RHSA-2014:0861 |
| Red Hat Enterprise Linux 5 | busybox | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | dump | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | gnutls | Not affected | n/a |
| Red Hat Enterprise Linux 6 | busybox | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | dump | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | kdenetwork | Under investigation | n/a |
| Red Hat Enterprise Linux 7 | dump | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | grub2 | Affected | n/a |
| Red Hat Enterprise Linux 7 | kdenetwork | Under investigation | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (44 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.32% (0.05315) | 92.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.32% (0.05315) | 91.52th | v5 (v2026.06.15) |
| Mar 4, 2026 | 10.27% (0.10271) | 93.03th | v4 (v2025.03.14) |
| Mar 1, 2026 | 6.29% (0.06285) | 90.80th | v4 (v2025.03.14) |
| Feb 19, 2026 | 11.03% (0.11033) | 93.27th | v4 (v2025.03.14) |
| Feb 4, 2026 | 14.00% (0.13996) | 94.15th | v4 (v2025.03.14) |
| Feb 1, 2026 | 8.74% (0.08743) | 92.32th | v4 (v2025.03.14) |
| Jan 30, 2026 | 14.00% (0.13996) | 94.15th | v4 (v2025.03.14) |
| Jan 4, 2026 | 11.03% (0.11033) | 93.19th | v4 (v2025.03.14) |
| Jan 1, 2026 | 6.78% (0.06780) | 91.07th | v4 (v2025.03.14) |
| Dec 4, 2025 | 11.03% (0.11033) | 93.15th | v4 (v2025.03.14) |
| Dec 1, 2025 | 6.78% (0.06780) | 90.99th | v4 (v2025.03.14) |
| Nov 4, 2025 | 10.27% (0.10271) | 92.83th | v4 (v2025.03.14) |
| Nov 1, 2025 | 6.29% (0.06285) | 90.55th | v4 (v2025.03.14) |
| Oct 4, 2025 | 10.27% (0.10271) | 92.88th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.29% (0.06285) | 90.60th | v4 (v2025.03.14) |
| Sep 6, 2025 | 10.27% (0.10271) | 92.88th | v4 (v2025.03.14) |
| Sep 1, 2025 | 6.29% (0.06285) | 90.62th | v4 (v2025.03.14) |
| Aug 4, 2025 | 10.27% (0.10271) | 92.84th | v4 (v2025.03.14) |
| Aug 1, 2025 | 6.29% (0.06285) | 90.62th | v4 (v2025.03.14) |
| Jul 10, 2025 | 10.27% (0.10271) | 92.79th | v4 (v2025.03.14) |
| Jul 4, 2025 | 5.99% (0.05993) | 90.25th | v4 (v2025.03.14) |
| Jul 1, 2025 | 4.31% (0.04310) | 88.44th | v4 (v2025.03.14) |
| Jun 4, 2025 | 5.99% (0.05993) | 90.19th | v4 (v2025.03.14) |
| Jun 1, 2025 | 4.31% (0.04310) | 88.35th | v4 (v2025.03.14) |
| May 20, 2025 | 5.99% (0.05993) | 90.17th | v4 (v2025.03.14) |
| May 4, 2025 | 10.42% (0.10421) | 92.78th | v4 (v2025.03.14) |
| May 1, 2025 | 6.74% (0.06743) | 90.80th | v4 (v2025.03.14) |
| Apr 5, 2025 | 10.42% (0.10421) | 92.52th | v4 (v2025.03.14) |
| Apr 4, 2025 | 6.74% (0.06743) | 90.42th | v4 (v2025.03.14) |
| Apr 3, 2025 | 10.42% (0.10421) | 92.52th | v4 (v2025.03.14) |
| Apr 2, 2025 | 6.74% (0.06743) | 90.41th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.42% (0.10421) | 92.50th | v4 (v2025.03.14) |
| Mar 29, 2025 | 32.72% (0.32716) | 95.11th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.42% (0.10421) | 92.66th | v4 (v2025.03.14) |
| Mar 12, 2025 | 2.10% (0.02103) | 89.13th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.02% (0.01018) | 84.45th | v3 (v2023.03.01) |
| Dec 2, 2023 | 1.02% (0.01018) | 82.00th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.89% (0.00888) | 80.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.73% (0.00731) | 77.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.69% (0.01689) | 76.10th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.69% (0.01689) | 76.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.69% (0.01689) | 74.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.69% (0.01689) | 53.31th | v2 (v2022.01.01) |
References (6)
- http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html x_refsource_MISCExploitThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-4607 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1112418 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-4607
- https://web.archive.org/web/20140701023922/http://www.oberhumer.com/opensource/lzo/ x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2014-4607
| Link | Providers | Tags |
|---|---|---|
| http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html | x_refsource_MISCExploitThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-4607 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1112418 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-4607 | ||
| https://web.archive.org/web/20140701023922/http://www.oberhumer.com/opensource/lzo/ | x_refsource_CONFIRMVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2014-4607 |
Change history (0)
No recorded changes yet.