CVE-2020-12425
Due to confusion processing a hyphen character in Date.parse(), a one-byte out of bounds read could have occurred, leading to potential information disclosure.
Does this matter?
Lower severity and a low EPSS score (1.57%). Track it; it rarely justifies an emergency change on its own.
Description
Due to confusion processing a hyphen character in Date.parse(), a one-byte out of bounds read could have occurred, leading to potential information disclosure. This vulnerability affects Firefox < 78.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 1.57% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlBroken Link
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634738Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/202007-10Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-24/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlBroken Link
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634738Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/202007-10Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-24/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.