Linux · Security advisory · November 13, 2025
DLA-4370-1: firefox-esr security update
DLA-4370-1, released November 13, 2025, fixes 1 CVE in firefox-esr (version 140.5.0esr-1~deb11u1). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0024
15th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| firefox-esr | Debian 11.6 (bullseye) | 140.5.0esr-1~deb11u1 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-13012 | Race condition in the Graphics component | 7.5 | 0.0024 | None reported |
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