Slackware Linux update for libX11
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-3138 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software |
Slackware Linux Operating systems & Components / Operating system libX11 Operating systems & Components / Operating system package or component |
| Vendor | Slackware |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU77450
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-3138
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within src/InitExt.c in libX11. A remote attacker can send specially crafted data to the server, trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Update the affected package libX11.
Vulnerable software versionsSlackware Linux: 14.0 - 15.0
libX11: All versions
CPE2.3- cpe:2.3:o:slackware:slackware_linux:14.0:*:*:*:*:*:*:*
- cpe:2.3:o:slackware:slackware_linux:14.1:*:*:*:*:*:*:*
- cpe:2.3:o:slackware:slackware_linux:14.2:*:*:*:*:*:*:*
- cpe:2.3:a:slackware:libx11:*:*:*:*:*:slackware_linux:*:*
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
