CVE-2026-91451

NameCVE-2026-91451
DescriptionVulnerability in Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openjdk-11 (PTS)sid11.0.33~8ea-1vulnerable
openjdk-17 (PTS)bookworm17.0.19+10-1~deb12u2vulnerable
bookworm (security)17.0.20.1+1-1~deb12u1vulnerable
sid17.0.21~8ea-1vulnerable
openjdk-21 (PTS)trixie (security), trixie21.0.12.1+1-1~deb13u1vulnerable
forky, sid21.0.13~8ea-1vulnerable
openjdk-25 (PTS)trixie25.0.3+9-2~deb13u1vulnerable
trixie (security)25.0.4.1+1-1~deb13u1vulnerable
forky25.0.5~7ea-1vulnerable
sid25.0.5~7ea-2vulnerable
openjdk-8 (PTS)sid8u504-ga-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openjdk-11source(unstable)(unfixed)
openjdk-17source(unstable)(unfixed)
openjdk-21source(unstable)(unfixed)
openjdk-25source(unstable)(unfixed)
openjdk-8source(unstable)(unfixed)
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