Vulnerability · CVE-2026-109705
CVE-2026-109705 is listed by [SECURITY] [DSA 6560-1] firefox-esr security update.
Published Unknown date · Debian Debian
Check if you run it
No confirmed exploitation is on record for CVE-2026-109705. EPSS is 0.31%. Act only if a listed version of Debian Debian is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Unknown—
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.31%
- Remediation
- Vendor / distro source
- Affected products
- Debian Debian
CVE-2026-109705 is listed by [SECURITY] [DSA 6560-1] firefox-esr security update.
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2026-109705
Recommended remediation
A vendor or distribution source is linked. Check that advisory for patch availability; this catalog does not invent fix status.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-109705. EPSS is 0.31%. Act only if a listed version of Debian Debian is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · Debian Security Advisories
Detected
[SECURITY] [DSA 6560-1] firefox-esr security update
Sources
- CVE.orgVulnerability recordCVE-2026-109705
Official CVE identifier
cve.org - Debian Security AdvisoriesVendor advisoryCVE-2026-109705
[SECURITY] [DSA 6560-1] firefox-esr security update
lists.debian.org - FIRST EPSSExploitation probabilityCVE-2026-109705
30-day exploitation probability 0.3%
first.org - Mozilla Security AdvisoriesVendor advisoryCVE-2026-109705
Security Vulnerabilities fixed in Thunderbird 153.5 — Mozilla
mozilla.org
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.