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CVE-2015-8985

Published: 20 March 2017

The pop_fail_stack function in the GNU C Library (aka glibc or libc6) allows context-dependent attackers to cause a denial of service (assertion failure and application crash) via vectors related to extended regular expression processing.

Notes

AuthorNote
sbeattie
PoC testcase in upstream bug report
fix commit possibly introduced regression addressed by
bc680b336971305cb39896b30d72dc7101b62242

Priority

Negligible

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
groovy Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

precise Ignored
(end of life)
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

trusty Needs triage

upstream Needed

xenial Does not exist

yakkety Does not exist

zesty Does not exist

mantic Does not exist

glibc
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(2.28-0ubuntu1)
jammy Not vulnerable
(2.28-0ubuntu1)
xenial Ignored
(change too intrusive)
kinetic Not vulnerable
(2.28-0ubuntu1)
lunar Not vulnerable
(2.28-0ubuntu1)
artful Ignored
(end of life)
bionic Needed

cosmic Not vulnerable
(2.28-0ubuntu1)
disco Not vulnerable
(2.28-0ubuntu1)
eoan Not vulnerable
(2.28-0ubuntu1)
focal Not vulnerable
(2.28-0ubuntu1)
hirsute Not vulnerable
(2.28-0ubuntu1)
impish Not vulnerable
(2.28-0ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (2.28)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
mantic Not vulnerable
(2.28-0ubuntu1)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb04c21373e2a2885f3d52ff192b0499afe3c672

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H