CVE-2019-10269 Memory corruption in n/a
A stack-based buffer overflow in BWA allows attackers to execute arbitrary code or cause denial of service via a malicious .alt file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-10269?
CVE-2019-10269 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 29 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
BWA (aka Burrow-Wheeler Aligner) before 2019-01-23 has a stack-based buffer overflow in the bns_restore function in bntseq.c via a long sequence name in a .alt file.
Weakness: CWE-787
Which versions are affected by CVE-2019-10269?
It affects 2 products.
Products include Burrow-Wheeler Aligner Project Burrow-Wheeler Aligner, Canonical Ubuntu Linux.
How do I fix CVE-2019-10269?
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-2019-10269 being exploited?
There is no known exploitation of CVE-2019-10269 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-10269, GHSA-m963-mf5c-ghpm, OESA-2025-2796, OESA-2025-2797, OESA-2025-2798, OESA-2025-2799 and 3 more.