| Name | CVE-2015-8853 |
| Description | 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." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
| Debian Bugs | 821848 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| perl (PTS) | stretch | 5.24.1-3+deb9u7 | fixed |
| stretch (security) | 5.24.1-3+deb9u5 | fixed | |
| buster | 5.28.1-6+deb10u1 | fixed | |
| bullseye | 5.32.1-4+deb11u2 | fixed | |
| bullseye (security) | 5.32.1-4+deb11u1 | fixed | |
| bookworm, sid | 5.32.1-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| perl | source | jessie | 5.20.2-3+deb8u5 | |||
| perl | source | (unstable) | 5.22.1-1 | 821848 |
[wheezy] - perl <no-dsa> (Minor issue)
https://rt.perl.org/Public/Bug/Display.html?id=123562
http://perl5.git.perl.org/perl.git/commitdiff/22b433eff9a1ffa2454e18405a56650f07b385b5
https://www.openwall.com/lists/oss-security/2016/04/20/5