Vulnerability · Published Apr 3, 2023 · Assigned by mitre
CVE-2023-26916
Medium 5.3
In plain English
A medium-severity security flaw in the libyang package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | libyang | 3.4.2+dfsg-2 | DEBIAN-CVE-2023-26916 |
| Debian:14 | libyang | 3.4.2+dfsg-2 | DEBIAN-CVE-2023-26916 |
| Debian:12 | libyang2 | no fix listed | DEBIAN-CVE-2023-26916 |
| Ubuntu:24.04:LTS | libyang2 | 2.1.30-2.1ubuntu0.1 | USN-7752-1 |
| Ubuntu:24.04:LTS | libyang2 | 2.1.30-2.1ubuntu0.1 | UBUNTU-CVE-2023-26916 |
Affected products (as reported)
References
- https://github.com/CESNET/libyang/issues/1979
- FEDORA-2023-17aaa2187f vendor-advisory
- FEDORA-2023-9887f01975 vendor-advisory