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CVE-2013-7422

24
FAUCET Score

CVE-2013-7422 describes an integer underflow vulnerability in the regcomp.c component of Perl, affecting versions prior to 5.20, including those used in Apple OS X before 10.10.5. This flaw allows attackers to execute arbitrary code or trigger a denial of service through a crafted regular expression containing a long digit string and an invalid backreference. With a CVSS score of 7.5, this vulnerability is considered high severity, requiring no authentication and low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, nor are there known public exploits or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.10.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
5.18.4CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.18.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.04%
Probability of exploitation in next 30 days
EPSS Percentile
86.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0305 is in the 75th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

applevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Directory Server 8Fixed in: perl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: perl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: perl
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: perl

Vendor Advisories (1)

redhatCVE-2013-7422Low

perl: segmentation fault in S_regmatch on negative backreference

Jan 23, 2015

References

lists.apple.com / archives/security-announce/2015/Aug/msg00001.html
Vendor Advisory
perl5.git.perl.org / perl.git/commit/0c2990d652e985784f095bba4bc356481a66aa06
security.gentoo.org / glsa/201507-11
support.apple.com / kb/HT205031
Vendor Advisory
securityfocus.com / bid/75704
ubuntu.com / usn/USN-2916-1