CVE-2013-1969 Use after free in n/a

High 7.5 Published 25 Apr 2013 Updated 6 Aug 2024

Use-after-free flaws in libxml2 allow attackers to cause crashes or execute arbitrary code via crafted XML input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-1969?

CVE-2013-1969 is a high-severity use after free vulnerability in Xmlsoft Libxml2, published on 25 Apr 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple use-after-free vulnerabilities in libxml2 2.9.0 and possibly other versions might allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the (1) htmlParseChunk and (2) xmldecl_done functions, as demonstrated by a buffer overflow in the xmlBufGetInputBase function.

Weakness: CWE-399

Which versions are affected by CVE-2013-1969?

It affects 1 product.

Products include Xmlsoft Libxml2.

How do I fix CVE-2013-1969?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2013-1969 being exploited?

There is no known exploitation of CVE-2013-1969 in the wild and no public exploit code.

All Xmlsoft Libxml2 vulnerabilities

Sources

Also known as CVE-2013-1970, GHSA-jmvg-2fg9-jhpr.