CVE-2019-17266 Memory corruption in n/a

What is CVE-2019-17266?

CVE-2019-17266 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 6 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.

Weakness: CWE-125

Which versions are affected by CVE-2019-17266?

It affects 2 products.

Products include Canonical Ubuntu Linux, Gnome Libsoup.

How do I fix CVE-2019-17266?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-17266 being exploited?

There is no known exploitation of CVE-2019-17266 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 DEBIAN-CVE-2019-17266, GHSA-wcxh-xxc8-v5j8, MGASA-2019-0312, UBUNTU-CVE-2019-17266, USN-4152-1.