CVE-2026-57197

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

0.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 44.7% of scored records. A rank, not a probability.

NVD base score

7.7 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-28.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-10-27 16:35Z1 DAY AGO

Last updated

2026-10-27 16:35Z1 DAY AGO

Reserved

2026-06-24

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.7)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

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

Data version

5.2

Document digest

05fe51e0bf44f1ddb80b1aef30dabb4f7958e33a87d8a42c788a7aa9b84903e7

• github.comhttps://github.com/asterisk/asterisk/security/advisories/GHSA-8jhw-m2hg-vp3hx_refsource_CONFIRM
• github.comhttps://github.com/asterisk/asterisk/commit/0a2c1d9e910f7c4dfffa05e328accb8a96990df8x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/commit/0e6d761ed83f1671632c91805252767eae85e1a2x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/commit/1cf189549994e0898954c814ce5a023cd969f1dbx_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/commit/29026ece6fdd1834bb8f49c013ef163745ff2bbdx_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/commit/336ebe762bf6dfaf279796700de8ab51f7acd2f3x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/commit/ccec146953b5e13043a36663af84e5a50ca633a6x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/commit/dbcf38933866f0ddd023bc1814a78d4c750b0809x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/releases/tag/20.20.1x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/releases/tag/21.12.3x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/releases/tag/22.10.1x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/releases/tag/23.4.1x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3x_refsource_MISC
• github.comhttps://github.com/asterisk/asterisk/tree/24.0.0-pre1x_refsource_MISC