CVE-2025-0247

Reference Links

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1835193%2C1910021%2C1919803%2C1931576%2C1931948%2C1932173
• https://www.mozilla.org/security/advisories/mfsa2025-01/
• https://www.zdnet.com/article/update-chrome-and-firefox-now-to-patch-these-critical-security-flaws/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-0247
• https://nvd.nist.gov/vuln/detail/CVE-2025-0247
• https://launchpad.net/bugs/cve/CVE-2025-0247
• https://security-tracker.debian.org/tracker/CVE-2025-0247
• https://ubuntu.com/security/CVE-2025-0247
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-01/#CVE-2025-0247
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-01/
• https://www.mozilla.org/security/advisories/mfsa2025-04/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-04/

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2025-01
• MFSA2025-04

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2025-0244
• CVE-2025-0245
• CVE-2025-0246
• CVE-2025-0237
• CVE-2025-0238
• CVE-2025-0239
• CVE-2025-0240
• CVE-2025-0241
• CVE-2025-0242
• CVE-2025-0243
• CVE-2025-0247
• CVE-2024-50336

Frequently Asked Questions

• What is the severity of CVE-2025-0247?

  CVE-2025-0247 is classified as a high-severity vulnerability due to the potential for memory corruption and arbitrary code execution.

• How do I fix CVE-2025-0247?

  To mitigate CVE-2025-0247, update Firefox and Thunderbird to version 134 or higher.

• Which versions of Firefox are affected by CVE-2025-0247?

  CVE-2025-0247 affects Firefox versions prior to 134.

• Which versions of Thunderbird are affected by CVE-2025-0247?

  CVE-2025-0247 affects Thunderbird versions prior to 134.

• What types of products are impacted by CVE-2025-0247?

  CVE-2025-0247 impacts both Firefox and Thunderbird applications.