CVE-2019-12527

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

49.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-07-11 18:10Z7 YR AGO

Last updated

2024-08-04 23:24Z2 YR AGO

Reserved

2019-06-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

66702e6c3f7ccd42bf1b8c6336b58122fb2e8f57b7b552ce5cdb0c9a6e46f4ad

• www.squid-cache.orghttp://www.squid-cache.org/Versions/v4/changesets/x_refsource_CONFIRM
• github.comhttps://github.com/squid-cache/squid/commits/v4x_refsource_CONFIRM
• www.squid-cache.orghttp://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patchx_refsource_CONFIRM
• www.securityfocus.com109143http://www.securityfocus.com/bid/109143vdb-entryx_refsource_BID
• usn.ubuntu.comUSN-4065-1https://usn.ubuntu.com/4065-1/vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2019-cb50bcc189https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-4507https://www.debian.org/security/2019/dsa-4507vendor-advisoryx_refsource_DEBIAN
• seclists.org20190825 [SECURITY] [DSA 4507-1] squid security updatehttps://seclists.org/bugtraq/2019/Aug/42mailing-listx_refsource_BUGTRAQ
• access.redhat.comRHSA-2019:2593https://access.redhat.com/errata/RHSA-2019:2593vendor-advisoryx_refsource_REDHAT
• lists.opensuse.orgopenSUSE-SU-2019:2540http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2541http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.htmlvendor-advisoryx_refsource_SUSE