CVE-2025-5269
published 2025-05-27CVE-2025-5269: Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort…
high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.11 and Thunderbird 128.11.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox-esr | < firefox-esr 128.11.0esr-1~deb12u1 (bookworm) | firefox-esr 128.11.0esr-1~deb12u1 (bookworm) |
| debian | thunderbird | < firefox-esr 128.11.0esr-1~deb12u1 (bookworm) | firefox-esr 128.11.0esr-1~deb12u1 (bookworm) |
| mozilla | firefox | < 128.11.0 | 128.11.0 |
| mozilla | firefox | — | — |
| mozilla | thunderbird | < 128.11.0 | 128.11.0 |
| mozilla | thunderbird | >= 0 < 1:128.11.0esr-1~deb11u1 | 1:128.11.0esr-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:128.11.0esr-1~deb12u1 | 1:128.11.0esr-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:128.11.0esr-1 | 1:128.11.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:128.11.0esr-1 | 1:128.11.0esr-1 |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
osv8.1HIGH