CVE-2019-12519

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

6.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 93.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

2020-04-15 19:20Z6 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-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

2487d43fc370116605a92f66611de89e5baf13dfbdec11afd10d4f0c7bdf8295

• gitlab.comhttps://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12519.txtx_refsource_MISC
• www.openwall.com[oss-security] 20200423 [ADVISORY] SQUID-2019:12 Multiple issues in ESI Response processinghttp://www.openwall.com/lists/oss-security/2020/04/23/1mailing-listx_refsource_MLIST
• www.debian.orgDSA-4682https://www.debian.org/security/2020/dsa-4682vendor-advisoryx_refsource_DEBIAN
• lists.opensuse.orgopenSUSE-SU-2020:0623http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.htmlvendor-advisoryx_refsource_SUSE
• security.gentoo.orgGLSA-202005-05https://security.gentoo.org/glsa/202005-05vendor-advisoryx_refsource_GENTOO
• usn.ubuntu.comUSN-4356-1https://usn.ubuntu.com/4356-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00009.htmlmailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210205-0006/x_refsource_CONFIRM