Bug 2235010 (CVE-2020-21469) - CVE-2020-21469 postgresql: Stack buffer overflow when continuously send SIGHUP
Summary: CVE-2020-21469 postgresql: Stack buffer overflow when continuously send SIGHUP
Keywords:
Status: NEW
Alias: CVE-2020-21469
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2235013 2235014 2235286 2235287 2235289 2235290
Blocks: 2235012
TreeView+ depends on / blocked
 
Reported: 2023-08-25 21:32 UTC by Pedro Sampaio
Modified: 2025-09-15 08:29 UTC (History)
14 users (show)

Fixed In Version: postgres 13-BETA1
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2023-08-25 21:32:36 UTC 
An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals.

References:

https://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com
Comment 2 TEJ RATHI 2023-08-28 09:49:03 UTC 
Upstream Commit:
https://github.com/postgres/postgres/commit/9abb2bfc046070b22e3be28173a0736da31cab5a
Comment 4 TEJ RATHI 2023-08-28 10:08:11 UTC 
Created mingw-postgresql tracking bugs for this issue:

Affects: fedora-all [bug 2235289]


Created postgresql:12/postgresql tracking bugs for this issue:

Affects: fedora-all [bug 2235290]
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