CVE-2020-5310 Integer overflow in Pillow

What is CVE-2020-5310?

CVE-2020-5310 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 3 Jan 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-190

Which versions are affected by CVE-2020-5310?

4 open source packages ship an affected version, including pillow. It affects 3 products.

Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Python Pillow.

How do I fix CVE-2020-5310?

Upgrade pillow to 6.2.2 or later.

Is CVE-2020-5310 being exploited?

There is no known exploitation of CVE-2020-5310 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-5310, BIT-pillow-2020-5310, DEBIAN-CVE-2020-5310, GHSA-vcqg-3p29-xw73, PYSEC-2020-81.