CVE-2020-5310

mediumpriority · track · 36EPSS 0.020 · 80 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.98% (80th) EPSS

CVSS 6.8 · medium

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

libImaging/TiffDecode.c in Pillow before 6.2.2 has a TIFF decoding integer overflow, related to realloc.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-190USprimaryCWE-122USCWE-190USCWE-190US

affected products (14)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 19.10fstec_bduRU
Fedora Project Fedora≤ 30fstec_bduRU
Fedora Project Fedora≤ 31fstec_bduRU
Uploadcare, LLC Pillow≤ 6.2.2fstec_bduRU
canonical ubuntu linux= 14.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 16.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 18.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 19.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 30nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 31nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
python pillow< 6.2.2nvdUScpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*
Bitnami pillow< 6.2.2osvUSpkg:bitnami/pillow
PyPI pillow< 6.2.2osvUSpkg:pypi/pillow

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-vcqg-3p29-xw73Integer overflow in Pillow2021-11-03ghsa · osvUS
`libImaging/TiffDecode.c` in Pillow before 6.2.2 has a TIFF decoding integer overflow, related to realloc.
BIT-pillow-2020-53102024-03-06vendor · osvUS
libImaging/TiffDecode.c in Pillow before 6.2.2 has a TIFF decoding integer overflow, related to realloc.
PYSEC-2020-812020-01-03vendor · osvUS
libImaging/TiffDecode.c in Pillow before 6.2.2 has a TIFF decoding integer overflow, related to realloc.

also known as (8)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

published 2020-01-03modified 2026-06-17

related (4,649)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-48595US	—OT critical	1.95% (80th)	KEV	2026-06-01
In multiple locations, there is a possible way to achieve code execution due to an integer overflow. This could lead to local escalation of privilege with no additional execution p…
CVE-2026-21385US	—OT critical	1.29% (70th)	KEV	2026-03-02
Memory corruption while using alignments for memory allocation.
CVE-2025-24985US	—OT critical	3.89% (90th)	KEV	2025-03-11
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
CVE-2024-38080US	—OT critical	7.12% (94th)	KEV	2024-07-09
Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2023-33107US	high7.8OT critical	0.74% (54th)	KEV	2023-12-05
Memory corruption in Graphics Linux while assigning shared virtual memory region during IOCTL call.

+4644 more

references (21)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan