CVE-2015-8853
Published: 25 May 2016
The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "a\x80."
Priority
Status
Package | Release | Status |
---|---|---|
perl Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(5.22.1-9)
|
precise |
Ignored
(end of life)
|
|
trusty |
Released
(5.18.2-2ubuntu1.4)
|
|
upstream |
Released
(5.22.1-1)
|
|
wily |
Ignored
(end of life)
|
|
xenial |
Not vulnerable
(5.22.1-9)
|
|
yakkety |
Not vulnerable
(5.22.1-9)
|
|
zesty |
Not vulnerable
(5.22.1-9)
|
|
Patches: upstream: https://perl5.git.perl.org/perl.git/commit/22b433eff9a1ffa2454e18405a56650f07b385b5 upstream: https://perl5.git.perl.org/perl.git/commit/d820a0ff34c7df39297a54193fd756bb42c5c06e |
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |