CVE-2019-7146

Publication date 29 January 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In elfutils 0.175, there is a buffer over-read in the ebl_object_note function in eblobjnote.c in libebl. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted elf file, as demonstrated by eu-readelf.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
elfutils	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

vulnerable code introduced in 0.175

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
elfutils	Upstream: https://sourceware.org/git/?p=elfutils.git;a=commit;h=012018907ca05eb0ab51d424a596ef38fc87cae1 Upstream: https://sourceware.org/git/?p=elfutils.git;a=commit;h=cd7ded3df43f655af945c869976401a602e46fcd

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Other references

https://www.cve.org/CVERecord?id=CVE-2019-7146