Debian/firefox-esr: medium 5.4
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 115.38, Firefox ES
Action: Upgrade firefox-esr to 140.13.0esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.13.0esr-1~deb13u1 | - |
Fixed versions
| 140.13.0esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-15719#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-15719
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