CVE-2011-3193 Memory corruption in n/a

What is CVE-2011-3193?

CVE-2011-3193 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 16 Jun 2012. 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

Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.

Weakness: CWE-787

Which versions are affected by CVE-2011-3193?

It affects 8 products.

Products include Canonical Ubuntu Linux, Gnome Pango, Opensuse Opensuse, Qt Qt, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus and 2 more.

How do I fix CVE-2011-3193?

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-2011-3193 being exploited?

There is no known exploitation of CVE-2011-3193 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-2011-3193, GHSA-gw56-35qp-gch8, RHSA-2011:1325, RHSA-2011:1326, RHSA-2011:1327.