Reportlab up to v3.6.12 allows attackers to execute arbitrary code via supplying a crafted PDF file.
Priority HIGH 69CWE-94Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-94.
Summary
Reportlab up to v3.6.12 allows attackers to execute arbitrary code via supplying a crafted PDF file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02123 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed reportlab (PyPI): 3.6.13
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | reportlab (PyPI) | before 3.6.13 | 3.6.13 | Patch available | GHSA-9q9m-c65c-37pq |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- reportlab (PyPI) Vendor— Affected before 3.6.13 Fixed in 3.6.13 Patch available GHSA-9q9m-c65c-37pq
Remediation
- Fix · GHSA-9q9m-c65c-37pq reportlab (PyPI) Fixed in 3.6.13 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Quay v3 | Fixed | — |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2023-33733
- 2026-10-03 Alias added: GHSA-9q9m-c65c-37pq
- 2026-10-30 Fix available: Quay v3 · Red Hat
References
Advisory 3
Other 5
- https://lists.debian.org/debian-lts-announce/2024/10/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36WOY22ECJCPOXHVTNCHEWOQLL7JSWP4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ALE727IRACYBTTOFIFG57RS4OA2SHIJ
- https://lists.fedoraproject.org/archives/list/[email protected]/message/36WOY22ECJCPOXHVTNCHEWOQLL7JSWP4
- https://lists.fedoraproject.org/archives/list/[email protected]/message/6ALE727IRACYBTTOFIFG57RS4OA2SHIJ
More Reportlab vulnerabilities
- TI-2019-13152 ReportLab through 3.5.26 allows remote code execution because of toColor(eval(arg)) in… CVSS 3.1CRITICAL 9.8
- TI-2019-14012 paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar… CVSS 3.1CRITICAL 9.8
- TI-2020-17278 Server-side request forgery (SSRF) in reportlab CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-33733 · CVE Program
- CVE-2023-33733 · NVD
- FIRST EPSS
- GHSA-9q9m-c65c-37pq · GitHub Advisory Database · CC BY 4.0
- CVE-2023-33733 · 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