Linux · 
Debian · Security advisory · March 25, 2026
Debian · Security advisory · March 25, 2026DEBIAN-CVE-2026-34085: fontconfig security update
DEBIAN-CVE-2026-34085, released March 25, 2026, fixes 1 CVE in fontconfig (version 2.17.1-3). None of them is reported as exploited. Patch Radar priority: Routine.
Routine
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
5.9
Base score, 0 to 10
Highest EPSS
0.0013
2nd percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| fontconfig | Debian 14 | 2.17.1-3 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Routine | CVE-2026-34085 | fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c. | 5.9 | 0.0013 | None reported |
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