PT-2026-23418 · Zlib+2 · Zlib+2

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CVE-2026-27820

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Published

2026-03-05

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Updated

2026-08-30

CVSS v2.0

10

Critical

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Zlib versions prior to the patched version.
Description A buffer overflow issue exists in the Zlib::GzipReader component. The vulnerability could potentially allow for unexpected behavior.
Recommendations Update to the patched version to resolve this issue.

Exploit

Fix

Buffer Overflow

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Weakness Enumeration

Related Identifiers

ALSA-2026:50827
ALSA-2026:50828
AZL-83450
BDU:2026-06116
CVE-2026-27820
ECHO-CDF4-0E18-2536
GHSA-G857-HHFV-J68W
OESA-2026-3533
OESA-2026-3534
OESA-2026-3535
OESA-2026-3536
OESA-2026-3537
RHSA-2026:50728
RHSA-2026:50773
RHSA-2026:50778
RHSA-2026:50827
RHSA-2026:50828
RHSA-2026:7305
RHSA-2026:7307
RHSA-2026:8838
SUSE-SU-2026:1066-1
USN-8556-1

Affected Products

Rocky Linux
Ubuntu
Zlib