Description
nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libbsd | 0.10.0-1 | — |
| Debian 13 | libbsd | 0.10.0-1 | — |
| Debian 12 | libbsd | 0.10.0-1 | — |
| Debian 9 | libbsd | 0.8.3-1+deb9u1 | DLA-2566-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libbsd | 0.8.7-1ubuntu0.1 | USN-4243-1 |
| Ubuntu 16.04 LTS | libbsd | 0.8.2-1ubuntu0.1 | USN-4243-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libbsd | 0.6.0-2ubuntu1+esm1 | USN-4243-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | libbsd | 0.8.7-3.3.17 | SUSE-SU-2020:1298-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | libbsd | 0.8.7-lp151.3.3.1 | openSUSE-SU-2020:0679-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libbsd | 0.10.0-r0 | — |
| Alpine v3.23 | libbsd | 0.10.0-r0 | — |
| Alpine v3.22 | libbsd | 0.10.0-r0 | — |
| Alpine v3.21 | libbsd | 0.10.0-r0 | — |
| Alpine v3.20 | libbsd | 0.10.0-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libbsd | 0.10.0-r0 | — |
| Alpine v3.18 | libbsd | 0.10.0-r0 | — |
| Alpine v3.17 | libbsd | 0.10.0-r0 | — |
| Alpine v3.16 | libbsd | 0.10.0-r0 | — |
| Alpine v3.15 | libbsd | 0.10.0-r0 | — |
| Alpine v3.14 | libbsd | 0.10.0-r0 | — |
| Alpine v3.13 | libbsd | 0.10.0-r0 | — |
| Alpine v3.12 | libbsd | 0.10.0-r0 | — |
| Alpine v3.11 | libbsd | 0.10.0-r0 | — |
| Alpine v3.10 | libbsd | 0.9.1-r1 | — |
Advisories 6
- SSA-398330 SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 Siemens ProductCERT · Oct 13, 2026
- USN-4243-1 libbsd vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-2566-1 libbsd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:0679-1 Security update for libbsd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1298-1 Security update for libbsd SUSE / openSUSE Security Updates · Feb 4, 2026
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
References
- https://lists.freedesktop.org/archives/libbsd/2019-August/000229.html
- https://gitlab.freedesktop.org/libbsd/libbsd/commit/9d917aad37778a9f4a96ba358415f077f3f36f3b
- USN-4243-1 vendor-advisory
- openSUSE-SU-2020:0679 vendor-advisory
- [debian-lts-announce] 20210218 [SECURITY] [DLA 2566-1] libbsd security update mailing-list
- [tomee-dev] 20210401 CVE-2019-20367 - TomEE not affected mailing-list
- [tomee-dev] 20210401 Re: CVE-2019-20367 - TomEE not affected mailing-list