CVE-2026-19317
An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.7
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS probability
- 0.32%
- CWE
- CWE-125, CWE-191
- Published
- 2026-08-27
- Last modified
- 2026-09-03
Affected products
- WatchGuard Fireware OS
- WatchGuard Fireware OS
- WatchGuard Fireware OS
Weakness type
Related vulnerabilities
- CVE-2026-87875 — Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound
- CVE-2026-22590 — Fast-DDS Discovery Server: Out-of-Bounds Read & Heap Memory Disclosure via DATA_FRAG sampleSize / fragmentsInSubmessage
- CVE-2026-87824 — zstd-jni 1.3.3-1 through 1.5.7-13 Out-of-Bounds Read via Zstd.trainFromBufferDirect
- CVE-2026-73324 — VLC media player 3.0.0 through 3.0.23 Heap Out-of-Bounds Read via Unterminated RealRTSP Response Line
- CVE-2026-87795 — zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictCompress
- CVE-2026-87736 — An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. There is an EC...
- CVE-2026-81646 — Out-of-bounds read vulnerability in the graphics module....
- CVE-2026-49314 — OOB write vulnerability in the rendering and composition module....