perl regular expression UTF parsing errors
Published Nov 7, 2007
7.5
HIGHCVSS 2.0
EPSS 4.83%
Description
Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.
Affected products
No data.
Running on/with
- 3.1
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 2007
- 2007
- 2007.1
- 2007.1
- 2008.0
- 2008.0
- 3.0
- 3.0
- 4.0
- 4.0
- 3.0
- 3.0
- 3.0
- 4.0
- 4.0
- 4.0
- 5.0
- 5.0
- 3.0
- 4.0
- 2.1
- 2.1
- 1
- 5.8.0
- 5.8.1
- 5.8.3
- 5.8.4
- 5.8.4.1
- 5.8.4.2
- 5.8.4.2.3
- 5.8.4.3
- 5.8.4.4
- 5.8.4.5
- 5.8.6
- 2.0
- current
- 1.0
No data.
Red Hat Certificate System 7.3
ant-0:1.6.5-1jpp_1rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
avalon-logkit-0:1.2-2jpp_4rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
axis-0:1.2.1-1jpp_3rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
classpathx-jaf-0:1.0-2jpp_6rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
classpathx-mail-0:1.1.1-2jpp_8rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
geronimo-specs-0:1.0-0.M4.1jpp_10rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
jakarta-commons-modeler-0:2.0-3jpp_2rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
log4j-0:1.2.12-1jpp_1rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
mx4j-1:3.0.1-1jpp_4rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
pcsc-lite-0:1.3.3-3.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-ca-0:7.3.0-20.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-java-tools-0:7.3.0-10.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-kra-0:7.3.0-14.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-manage-0:7.3.0-19.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-native-tools-0:7.3.0-6.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-ocsp-0:7.3.0-13.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
rhpki-tks-0:7.3.0-13.el4
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
tomcat5-0:5.5.23-0jpp_4rh.16
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
xerces-j2-0:2.7.1-1jpp_1rh
Fixed · RHSA-2010:0602
Red Hat Certificate System 7.3
xml-commons-0:1.3.02-2jpp_1rh
Fixed · RHSA-2010:0602
Red Hat Enterprise Linux 3
perl-2:5.8.0-97.EL3
Fixed · RHSA-2007:0966
Red Hat Enterprise Linux 4
perl-3:5.8.5-36.el4_5.2
Fixed · RHSA-2007:0966
Red Hat Enterprise Linux 5
perl-4:5.8.8-10.el5_0.2
Fixed · RHSA-2007:0966
Red Hat Web Application Stack for RHEL 4
perl-4:5.8.8-5.el4s1_2
Fixed · RHSA-2007:1011
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Certificate System 7.3 | ant-0:1.6.5-1jpp_1rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | avalon-logkit-0:1.2-2jpp_4rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | axis-0:1.2.1-1jpp_3rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | classpathx-jaf-0:1.0-2jpp_6rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | classpathx-mail-0:1.1.1-2jpp_8rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | geronimo-specs-0:1.0-0.M4.1jpp_10rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | jakarta-commons-modeler-0:2.0-3jpp_2rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | log4j-0:1.2.12-1jpp_1rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | mx4j-1:3.0.1-1jpp_4rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | pcsc-lite-0:1.3.3-3.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-ca-0:7.3.0-20.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-java-tools-0:7.3.0-10.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-kra-0:7.3.0-14.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-manage-0:7.3.0-19.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-native-tools-0:7.3.0-6.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-ocsp-0:7.3.0-13.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | rhpki-tks-0:7.3.0-13.el4 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | tomcat5-0:5.5.23-0jpp_4rh.16 | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | xerces-j2-0:2.7.1-1jpp_1rh | Fixed | RHSA-2010:0602 |
| Red Hat Certificate System 7.3 | xml-commons-0:1.3.02-2jpp_1rh | Fixed | RHSA-2010:0602 |
| Red Hat Enterprise Linux 3 | perl-2:5.8.0-97.EL3 | Fixed | RHSA-2007:0966 |
| Red Hat Enterprise Linux 4 | perl-3:5.8.5-36.el4_5.2 | Fixed | RHSA-2007:0966 |
| Red Hat Enterprise Linux 5 | perl-4:5.8.8-10.el5_0.2 | Fixed | RHSA-2007:0966 |
| Red Hat Web Application Stack for RHEL 4 | perl-4:5.8.8-5.el4s1_2 | Fixed | RHSA-2007:1011 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.83% (0.04830) | 91.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.83% (0.04830) | 90.82th | v5 (v2026.06.15) |
| Mar 15, 2026 | 8.80% (0.08802) | 92.40th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.41% (0.11413) | 92.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.95% (0.17950) | 92.01th | v4 (v2025.03.14) |
| Mar 19, 2025 | 11.41% (0.11413) | 92.68th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.56% (0.12559) | 93.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.79% (0.03787) | 92.20th | v3 (v2023.03.01) |
| Jun 26, 2024 | 3.37% (0.03367) | 91.45th | v3 (v2023.03.01) |
| Apr 10, 2024 | 3.35% (0.03354) | 91.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.23% (0.03227) | 89.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.42% (0.04421) | 88.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.42% (0.04421) | 87.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.42% (0.04421) | 70.83th | v2 (v2022.01.01) |
References (56)
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- http://docs.info.apple.com/article.html?artnum=307179 x_refsource_CONFIRM
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Change history (0)
No recorded changes yet.