CVE-2026-12912

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-01.

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

2026-06-29 16:31Z2 MO AGO

Last updated

2026-09-01 12:04Z3 DAYS AGO

Reserved

2026-06-22

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant

Data version

5.2

Document digest

a00a93b515b3f44f7caff197fbf5433051c612c6e2515aea62c516acf65739b9

• access.redhat.comRHSA-2026:34890https://access.redhat.com/errata/RHSA-2026:34890vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:41892https://access.redhat.com/errata/RHSA-2026:41892vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:42668https://access.redhat.com/errata/RHSA-2026:42668vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:47183https://access.redhat.com/errata/RHSA-2026:47183vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:47184https://access.redhat.com/errata/RHSA-2026:47184vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:49671https://access.redhat.com/errata/RHSA-2026:49671vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:50774https://access.redhat.com/errata/RHSA-2026:50774vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54638https://access.redhat.com/errata/RHSA-2026:54638vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54640https://access.redhat.com/errata/RHSA-2026:54640vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:54642https://access.redhat.com/errata/RHSA-2026:54642vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:58545https://access.redhat.com/errata/RHSA-2026:58545vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:58553https://access.redhat.com/errata/RHSA-2026:58553vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:58554https://access.redhat.com/errata/RHSA-2026:58554vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:58556https://access.redhat.com/errata/RHSA-2026:58556vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:61657https://access.redhat.com/errata/RHSA-2026:61657vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-12912vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2492871https://bugzilla.redhat.com/show_bug.cgi?id=2492871issue-trackingx_refsource_REDHAT
• gitlab.comhttps://gitlab.com/libtiff/libtiff/-/merge_requests/873
• gitlab.comhttps://gitlab.com/libtiff/libtiff/-/work_items/824
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12912.jsonx_sadp-csaf-vex