CVE-2010-4777
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions,...
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
Exploit likelihood
What each source reports
NVD Score used
4.3
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
- Record
CVE-2010-4777- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
- Record
CVE-2010-4777- Updated
- 2026-11-02
EUVDEUVD-2010-4742 No score
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
- Record
EUVD-2010-4742- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r32j-2hp8-5qh2 No score
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions,...
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
- Record
GHSA-r32j-2hp8-5qh2- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
- Record
CVE-2010-4777- Updated
- 2026-11-02
OSVDEBIAN-CVE-2010-4777 No score
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
- Record
DEBIAN-CVE-2010-4777- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10449-1 No score
perl-32bit-5.24.0-3.5 on GA media
These are all security issues fixed in the perl-32bit-5.24.0-3.5 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10449-1- Updated
- 2026-11-02
Affected products
Affected packages
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Perl 5.x - 'Perl_reg_numbered_buff_fetch()' Remote Denial of Service | 2011-03-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-4777 is a medium vulnerability (CVSS 4.3) in Perl, published February 10, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.02%, the 93rd percentile. Fixed in perl 5.20.1-1.
References
lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
listi.jpberlin.de/pipermail/postfixbuch-users/2011-February/055885.html
bugzilla.redhat.com/show_bug.cgi?id=694166
bugs.debian.org/cgi-bin/bugreport.cgi?bug=628836
forums.ocsinventory-ng.org/viewtopic.php?id=7215
rt.perl.org/Public/Bug/Display.html?id=76538
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lists.opensuse.org/opensuse-updates/2011-05/msg00025.html
nvd.nist.gov/vuln/detail/CVE-2010-4777
github.com/advisories/GHSA-r32j-2hp8-5qh2
security-tracker.debian.org/tracker/CVE-2010-4777
suse.com/security/cve/CVE-2010-2761
suse.com/security/cve/CVE-2010-4410
suse.com/security/cve/CVE-2010-4411
suse.com/security/cve/CVE-2010-4777