6.5

CVE-2025-8027

JavaScript engine only wrote partial return value to stack

On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox SwEdition esr Version < 115.26.0
Mozilla ≫ Firefox SwEdition - Version < 141.0
Mozilla ≫ Firefox SwEdition esr Version >= 128.0 < 128.13.0
Mozilla ≫ Firefox SwEdition esr Version >= 140.0 < 140.1.0
Mozilla ≫ Thunderbird SwEdition esr Version < 128.13.0
Mozilla ≫ Thunderbird SwEdition - Version < 141.0
Mozilla ≫ Thunderbird SwEdition esr Version >= 140.0 < 140.1.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.35% 0.278
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE-457 Use of Uninitialized Variable

The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

https://bugzilla.mozilla.org/show_bug.cgi?id=1968423
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-56/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-57/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-58/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-59/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-61/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-62/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-63/
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html