CVE-2020-10378
MEDIUMCVSS 5.5/10EPSS 1.10%
Last modified
CVE-2020-10378 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In libImaging/PcxDecode.c in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where state->shuffle is instructed to read beyond state->buffer.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.
Description
In libImaging/PcxDecode.c in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where state->shuffle is instructed to read beyond state->buffer.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Python | Pillow | < 7.1.0 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
References
- https://github.com/python-pillow/Pillow/pull/4538Issue Tracking, Patch
- https://usn.ubuntu.com/4430-1/Third Party Advisory
- https://usn.ubuntu.com/4430-2/Third Party Advisory
- https://github.com/python-pillow/Pillow/pull/4538Issue Tracking, Patch
- https://usn.ubuntu.com/4430-1/Third Party Advisory
- https://usn.ubuntu.com/4430-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-10378?
In libImaging/PcxDecode.c in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where state->shuffle is instructed to read beyond state->buffer.
How severe is CVE-2020-10378?
CVE-2020-10378 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10378?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-10378?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST