Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in…
Priority MEDIUM 57CWE-787Published · 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
- Partial Red Hat: 16 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in bmp2tiff in libtiff 4.0.6 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a large width field in a BMP image.
Why it matters now
EPSS 0.13722 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 16 fixed, 1 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
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* | up to 4.0.6 | Vulnerable | libtiff |
| cpe:2.3:a:oracle:vm_server:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:*:* | 3.4 | Vulnerable | Oracle |
| cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* | 6 | Vulnerable | Oracle |
| cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:* | 7 | Vulnerable | Oracle |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
- cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* Versions up to 4.0.6 Vulnerable ·libtiff
- cpe:2.3:a:oracle:vm_server:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Oracle
- cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·Oracle
- cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
- cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:* Versions 7 Vulnerable ·Oracle
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Remediation
Red Hat 2 advisories
- RHSA-2016:1546 Released 2016-08-02 · Red Hat rating Importantlibtiff security update
- Red Hat Enterprise Linux Client (v. 7) libtiff-4.0.3-25.el7_2
- Red Hat Enterprise Linux Client Optional (v. 7) libtiff-devel-4.0.3-25.el7_2, libtiff-static-4.0.3-25.el7_2, libtiff-tools-4.0.3-25.el7_2
- Red Hat Enterprise Linux ComputeNode (v. 7) libtiff-4.0.3-25.el7_2
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libtiff-devel-4.0.3-25.el7_2, libtiff-static-4.0.3-25.el7_2, libtiff-tools-4.0.3-25.el7_2
- Red Hat Enterprise Linux Server (v. 7) libtiff-4.0.3-25.el7_2, libtiff-4.0.3-25.el7_2.ppc, libtiff-devel-4.0.3-25.el7_2 +1
- Red Hat Enterprise Linux Server Optional (v. 7) libtiff-static-4.0.3-25.el7_2, libtiff-static-4.0.3-25.el7_2.ppc, libtiff-tools-4.0.3-25.el7_2
- Red Hat Enterprise Linux Workstation (v. 7) libtiff-4.0.3-25.el7_2, libtiff-devel-4.0.3-25.el7_2
- Red Hat Enterprise Linux Workstation Optional (v. 7) libtiff-static-4.0.3-25.el7_2, libtiff-tools-4.0.3-25.el7_2
- RHSA-2016:1547 Released 2016-08-02 · Red Hat rating Importantlibtiff security update
- Red Hat Enterprise Linux Desktop (v. 6) libtiff-3.9.4-18.el6_8
- Red Hat Enterprise Linux Desktop Optional (v. 6) libtiff-devel-3.9.4-18.el6_8, libtiff-static-3.9.4-18.el6_8
- Red Hat Enterprise Linux HPC Node (v. 6) libtiff-3.9.4-18.el6_8
- Red Hat Enterprise Linux HPC Node Optional (v. 6) libtiff-devel-3.9.4-18.el6_8, libtiff-static-3.9.4-18.el6_8
- Red Hat Enterprise Linux Server (v. 6) libtiff-3.9.4-18.el6_8, libtiff-3.9.4-18.el6_8.ppc, libtiff-devel-3.9.4-18.el6_8 +1
- Red Hat Enterprise Linux Server Optional (v. 6) libtiff-static-3.9.4-18.el6_8
- Red Hat Enterprise Linux Workstation (v. 6) libtiff-3.9.4-18.el6_8, libtiff-devel-3.9.4-18.el6_8
- Red Hat Enterprise Linux Workstation Optional (v. 6) libtiff-static-3.9.4-18.el6_8
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:1546 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2016:1547 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:1546 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8668
- 2026-10-03 Alias added: GHSA-mgjx-j5p2-m66r
References
Sources
- CVE-2015-8668 · CVE Program
- CVE-2015-8668 · NVD
- FIRST EPSS
- GHSA-mgjx-j5p2-m66r · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8668 · 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