Affects Juniper SRX firewalls (widely deployed network infrastructure). Unauthenticated network DoS can cause traffic outages across organizations and service disruptions.
CVE-2026-102082
Malformed TLS resumption can crash SRX PFE, causing traffic outage
Is CVE-2026-102082 being exploited?
Not confirmed. CVE-2026-102082 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-102082?
CVE-2026-102082 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-102082?
Yes. A fix has been recorded for CVE-2026-102082. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-102082 affect?
CVE-2026-102082 affects Juniper Junos OS on SRX Series, Versions before 23.2R2-S5, 23.4 versions before 23.4R2-S5, 24.2 versions before 24.2R2-S2, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-102082?
Apply Juniper patches immediately; disable ssl-proxy if you need a temporary mitigation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote DoS via malformed TLS session-resumption message; crashes PFE and temporarily disrupts traffic forwarding.
Immediate action required
- affected< 23.2R2-S5
- affected>= 23.4 and < 23.4R2-S5
- affected>= 24.2 and < 24.2R2-S2
- affected>= 24.4 and < 24.4R2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.