Out-of-bounds Read in Python Pillow
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.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Python Pillow
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
- Fedoraproject Fedora — versions 31, 32
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, x_refsource_MISC)
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10378?
- CVE-2020-10378 is a medium-severity vulnerability in Python Pillow, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-06-25.
- How severe is CVE-2020-10378?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-10378 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.