CVE-2026-119718
Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Point Cache
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Blender before 4.5.15 and 5.x before 5.2.3 Heap Buffer Overflow via Point Cache
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
- Record
CVE-2026-119718- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2026-114123
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
- Record
EUVD-2026-114123- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-998f-5325-f384
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused...
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
- Record
GHSA-998f-5325-f384- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
- Record
CVE-2026-119718- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-03
OSVDEBIAN-CVE-2026-119718
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
- Record
DEBIAN-CVE-2026-119718- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-04
OSVUBUNTU-CVE-2026-119718
Blender before 4.5.15 and 5.x before 5.2.3 contains a heap buffer overflow vulnerability caused by integer overflow in ptcache_data_alloc() when reading point cache files. Attackers can supply a crafted point cache file with a large totpoint value alongside a .blend file to crash Blender or execute code as the user.
- Record
UBUNTU-CVE-2026-119718- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-04
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
blenderDebian:12 |
All versions, plus listed versions 3.4.1+dfsg-23.6.2+dfsg-13.6.2+dfsg-24.0.2+dfsg-14.1.1+dfsg-1 Show 20 moreShow less4.1.1+dfsg-24.1.1+dfsg-34.2.1+dfsg-14.2.2+dfsg-14.2.3+dfsg-14.2.3+dfsg-24.2.3+dfsg-34.3.0+dfsg-14.3.2+dfsg-14.3.2+dfsg-25.0.1+dfsg-15.0.1+dfsg-25.0.1+dfsg-35.0.1+dfsg-45.0.1+dfsg-55.0.1+dfsg-65.0.1+dfsg-75.0.1+dfsg-85.0.1+dfsg-95.2.2+dfsg-1 |
None known |
blenderDebian:13 |
All versions, plus listed versions 4.3.2+dfsg-25.0.1+dfsg-15.0.1+dfsg-25.0.1+dfsg-35.0.1+dfsg-4 Show 6 moreShow less5.0.1+dfsg-55.0.1+dfsg-65.0.1+dfsg-75.0.1+dfsg-85.0.1+dfsg-95.2.2+dfsg-1 |
None known |
blenderUbuntu:16.04:LTS |
All versions, plus listed versions 2.74+dfsg0-4build22.75.a+dfsg0-2ubuntu22.75.a+dfsg0-2ubuntu32.76.b+dfsg0-32.76.b+dfsg0-3build1 |
None known |
blenderUbuntu:18.04:LTS |
All versions, plus listed versions 2.78.c+dfsg0-2build12.79+dfsg0-2build12.79+dfsg0-32.79+dfsg0-3build12.79.b+dfsg0-12.79.b+dfsg0-1ubuntu1.18.04.1 |
None known |
blenderUbuntu:20.04:LTS |
All versions, plus listed versions 2.80+dfsg-32.80+dfsg-3build12.80+dfsg-42.81.a+dfsg-5build32.82+dfsg-12.82+dfsg-1build12.82.a+dfsg-1 |
None known |
blenderUbuntu:22.04:LTS |
All versions, plus listed versions 2.93.3+dfsg-32.93.5+dfsg-12.93.5+dfsg-1build13.0.1+dfsg-7 |
None known |
blenderUbuntu:24.04:LTS |
All versions, plus listed versions 3.6.2+dfsg-2ubuntu13.6.2+dfsg-2ubuntu24.0.2+dfsg-1ubuntu14.0.2+dfsg-1ubuntu24.0.2+dfsg-1ubuntu44.0.2+dfsg-1ubuntu64.0.2+dfsg-1ubuntu74.0.2+dfsg-1ubuntu8 |
None known |
blenderUbuntu:26.10 |
All versions, plus listed versions 5.0.1+dfsg-1ubuntu15.0.1+dfsg-1ubuntu35.0.1+dfsg-3build15.0.1+dfsg-5 |
None known |
blenderUbuntu:26.04:LTS |
All versions, plus listed versions 4.3.2+dfsg-2ubuntu25.0.1+dfsg-1ubuntu1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| facts, references | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-119718 is a high vulnerability (CVSS 8.5) in Blender, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.
References
projects.blender.org/blender/blender/pulls/164279
vulncheck.com/advisories/blender-before-4.5.15-and-5-x-before-5.2.3-heap-buffer-overflow-via-point-cache
nvd.nist.gov/vuln/detail/CVE-2026-119718