Bug 2430086

Summary:	CVE-2026-0810 rust: gix-date: Undefined behavior due to invalid string generation [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Marco Benatto <mbenatto>
Component:	rust	Assignee:	Josh Stone <jistone>
Status:	CLOSED NOTABUG	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	amulhern, igor.raits, jchecahi, jistone, paumurph, rust-sig
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["cb57e545-4e40-4f37-b4a8-18d2fa6a0467"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-01-15 19:58:13 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2427057

Description Marco Benatto 2026-01-15 18:37:45 UTC

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Josh Stone 2026-01-15 19:58:13 UTC

gix-date is an indirect dependency of cargo. I've confirmed that all uses of `TimeBuf` in this build are from other gix crates, and all are properly used only as a buffer for `Time` writes, which is pure ASCII -- safe for UTF-8. Therefore, there are no vulnerable uses here.