CVE-2021-3326

Published: 27 January 2021

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
eglibc Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Needed
	upstream	Needs triage
	xenial	Does not exist
glibc Launchpad, Ubuntu, Debian	bionic	Released (2.27-3ubuntu1.5)
	focal	Released (2.31-0ubuntu9.7)
	groovy	Ignored (end of life)
	hirsute	Not vulnerable (2.33-0ubuntu5)
	impish	Not vulnerable (2.33-0ubuntu5)
	jammy	Not vulnerable (2.33-0ubuntu5)
	kinetic	Not vulnerable (2.33-0ubuntu5)
	lunar	Not vulnerable (2.33-0ubuntu5)
	mantic	Not vulnerable (2.33-0ubuntu5)
	trusty	Does not exist
	upstream	Released (2.33)
	xenial	Released (2.23-0ubuntu11.3+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Bugs

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