EUVD-2026-64850Published

zlib 1.2.11 through 1.3.2 contains a heap buffer overflow: after an underlying write() fails, gz_write() returns without resetting strm.next_in, leaving it pointed at the caller's buffer. A later gz* write call then derives a position from …

Exact source revision recorded 28 Oct 2026 09:42:10 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2026-64850

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Aug 24, 2026, 1:12:01 PM

dateUpdated: Oct 1, 2026, 11:03:59 AM

4 related source bulletins · separate from aliases

msrc_CVE-2026-76844: zlib 1.2.11 through 1.3.2 Heap Buffer Overflow via Stale gzwrite Pointer After Failed Write

CVE-2026-76844

RHSA-2026:61783: Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage

CVE-2024-29180 · CVE-2026-1965 · CVE-2026-3783 · CVE-2026-5704 · CVE-2026-6322 · CVE-2026-6653 · CVE-2026-8286 · CVE-2026-9547 · CVE-2026-11822 · CVE-2026-11824 · CVE-2026-11979 · CVE-2026-14164 · CVE-2026-15588 · CVE-2026-18477 · CVE-2026-18508 · CVE-2026-41991 · CVE-2026-41992 · CVE-2026-45409 · CVE-2026-45623 · CVE-2026-54284 · CVE-2026-54371 · CVE-2026-56434 · CVE-2026-58010 · CVE-2026-58011 · CVE-2026-58012 · CVE-2026-58013 · CVE-2026-58014 · CVE-2026-58015 · CVE-2026-58055 · CVE-2026-59868 · CVE-2026-59869 · CVE-2026-59893 · CVE-2026-60005 · CVE-2026-67213 · CVE-2026-67214 · CVE-2026-71491 · CVE-2026-73643 · CVE-2026-75899 · CVE-2026-75931 · CVE-2026-75975 · CVE-2026-76172 · CVE-2026-76844

RHSA-2026:68681: Red Hat Security Advisory: Migration Toolkit for Containers (MTC) 1.8.17 update

CVE-2026-14257 · CVE-2026-16221 · CVE-2026-27145 · CVE-2026-33186 · CVE-2026-33818 · CVE-2026-42504 · CVE-2026-56852 · CVE-2026-56853 · CVE-2026-56859 · CVE-2026-56860 · CVE-2026-56862 · CVE-2026-59869 · CVE-2026-59873 · CVE-2026-59874 · CVE-2026-67313 · CVE-2026-67314 · CVE-2026-67320 · CVE-2026-67321 · CVE-2026-69152 · CVE-2026-69192 · CVE-2026-73088 · CVE-2026-73089 · CVE-2026-73566 · CVE-2026-73643 · CVE-2026-73646 · CVE-2026-75899 · CVE-2026-75931 · CVE-2026-75975 · CVE-2026-76172 · CVE-2026-76844 · CVE-2026-82417 · CVE-2026-84292 · CVE-2026-84375 · CVE-2026-84394

RHSA-2026:69296: Red Hat Security Advisory: Red Hat Data Grid 8.6.3 security update

CVE-2026-44891 · CVE-2026-49978 · CVE-2026-55831 · CVE-2026-55833 · CVE-2026-55851 · CVE-2026-56745 · CVE-2026-56746 · CVE-2026-56817 · CVE-2026-56819 · CVE-2026-56820 · CVE-2026-59296 · CVE-2026-59899 · CVE-2026-59901 · CVE-2026-62243 · CVE-2026-68494 · CVE-2026-73508 · CVE-2026-76844

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON