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CVE-2010-4051

UnknownEPSS 40.00%

Last modified

CVE-2010-4051 is a vulnerability of currently unknown severity. The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a "RE_DUP_MAX overflow.". EPSS estimates a 40.00% chance of exploitation in the next 30 days.

Description

The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a "RE_DUP_MAX overflow."

Metrics

EPSS Probability
40.00%

98.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
GnuGlibc1.00
GnuGlibc1.01
GnuGlibc1.02
GnuGlibc1.03
GnuGlibc1.04
GnuGlibc1.05
GnuGlibc1.06
GnuGlibc1.07
GnuGlibc1.08
GnuGlibc1.09
GnuGlibc1.09.1
GnuGlibc2.1
GnuGlibc2.1.1
GnuGlibc2.1.1.6
GnuGlibc2.1.2
GnuGlibc2.1.3
GnuGlibc2.1.3.10
GnuGlibc2.1.9
GnuGlibc2.10
GnuGlibc2.10.1
GnuGlibc2.10.2
GnuGlibc2.11
GnuGlibc2.11.1
GnuGlibc2.11.2
GnuGlibc2.11.3
GnuGlibc2.12.0
GnuGlibc2.12.1
GnuGlibc2.12.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2010-4051?
The regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a "RE_DUP_MAX overflow."
How severe is CVE-2010-4051?
Severity scoring for CVE-2010-4051 is pending analysis. The EPSS model estimates a 40.00% probability of exploitation in the next 30 days.
How do I fix CVE-2010-4051?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-4051?

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Source: NVD / NIST