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CVE-2010-4052

55
FAUCET Score

CVE-2010-4052 describes a stack consumption vulnerability in the GNU C Library's (glibc) regcomp implementation, affecting versions through 2.11.3 and 2.12.x through 2.12.2. This flaw allows unauthenticated attackers to trigger a denial of service by providing specific regular expressions with adjacent repetition operators, as demonstrated by an exploit targeting ProFTPD. The vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and potential for partial availability impact. While not actively exploited in the wild, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.00CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.00:*:*:*:*:*:*:*
1.01CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.01:*:*:*:*:*:*:*
1.02CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.02:*:*:*:*:*:*:*
1.03CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.03:*:*:*:*:*:*:*
1.04CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:1.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
51.30%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-15935 · Jan 7, 2011
This CVE's current EPSS score of 0.5130 is in the 99th percentile among its peer group of 23,690 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2010-4052

glibc: De-recursivise regular expression engine

Dec 7, 2010

References

cxib.net / stuff/proftpd.gnu.c
Patch
bugzilla.redhat.com / show_bug.cgi
Exploit
seclists.org / fulldisclosure/2011/Jan/78
Exploit
secunia.com / advisories/42547
Vendor Advisory
securityreason.com / achievement_securityalert/93
Exploit
securityreason.com / securityalert/8003
Exploit
securitytracker.com / id
exploit-db.com / exploits/15935
kb.cert.org / vuls/id/912279
US Government Resource
securityfocus.com / archive/1/515589/100/0/threaded
securityfocus.com / bid/45233
Exploit