MGASA-2018-0377: libx11 Mageia
Vulnerability summary
MGASA-2018-0377 is a vulnerability in libx11 Mageia with no CVSS score yet.
Advisory lineage
Upstream 3 · Downstream 0Timeline
- 20-09-2018PublishedVulnerability first disclosed.
- 16-04-2026Last modifiedVulnerability information updated.
Description
Updated libx11 packages fix security vulnerabilities Updated libx11 packages fix security vulnerabilities: An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault) (CVE-2018-14598). An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (CVE-2018-14599). An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (CVE-2018-14600).
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Mageia1 product
- libx11< 1.6.5-1.1.mga6
1 vendor · 1 product