CVE-2018-13843 Denial of service in n/a
A memory leak in HTSlib allows attackers to cause denial of service by exhausting system memory through repeated operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-13843?
CVE-2018-13843 is a high-severity denial of service vulnerability in n/a, published on 10 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue has been found in HTSlib 1.8. It is a memory leak in bgzf_getline in bgzf.c. NOTE: the software maintainer's position is that the "failure to free memory" can be fixed in applications that use the HTSlib library (such as test/test_bgzf.c in the original report) and is not a library issue
Weakness: CWE-772
Which versions are affected by CVE-2018-13843?
It affects 1 product.
Products include Htslib Htslib.
How do I fix CVE-2018-13843?
No fix published yet.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-13843 being exploited?
There is no known exploitation of CVE-2018-13843 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-13845 Memory corruption in n/a
- CVE-2017-1000206 Memory corruption in n/a
- CVE-2026-31962 HTSlib CRAM reader has heap buffer overflow due to improper validation of input
- CVE-2026-31963 HTSlib CRAM reader has heap buffer overflow due to improper validation of input
- CVE-2026-31968 HTSlib CRAM decoder vulnerable to buffer overflow
Sources
Also known as DEBIAN-CVE-2018-13843, GHSA-fqfp-r4jq-mf88.