compression vulnerable to Denial of Service via memory leak on premature response close

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-87776 · Microsoft / collected KEV context

EUVD-2026-76072

GHSA-vc2v-76pw-4v95

cve-program · CVE-2026-87776

• https://github.com/expressjs/compression/security/advisories/GHSA-vc2v-76pw-4v95
• https://cna.openjsf.org/security-advisories.html

euvd · EUVD-2026-76072

• https://github.com/expressjs/compression/security/advisories/GHSA-vc2v-76pw-4v95
• https://cna.openjsf.org/security-advisories.html

nvd · CVE-2026-87776

• https://cna.openjsf.org/security-advisories.html
• https://github.com/expressjs/compression/security/advisories/GHSA-vc2v-76pw-4v95

osv · GHSA-vc2v-76pw-4v95

• https://github.com/expressjs/compression/security/advisories/GHSA-vc2v-76pw-4v95
• https://nvd.nist.gov/vuln/detail/CVE-2026-87776
• https://github.com/expressjs/compression/commit/151f63e91e1b64f8fb0b064e19321a4f28db6bff
• https://cna.openjsf.org/security-advisories.html
• https://github.com/expressjs/compression
• https://github.com/expressjs/compression/releases/tag/v1.8.2

• compression is a Node.js and Express compression middleware. In versions before 1.8.2, when a client aborts the connection while a compressed response is still being sent, the zlib stream created to compress that response is never destroyed… · Advisory content revised · 11 Nov 2026