RealPlayer: URL unescape buffer overflow
Published Feb 18, 2010
7.5
HIGHCVSS 2.0
EPSS 11.32%
Description
Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a URL argument containing a % (percent) character that is not followed by two hex digits.
Affected products
No data.
- 1.0.6
- n/a
No data.
Red Hat Enterprise Linux 4
HelixPlayer-1:1.0.6-1.el4_8.1
Fixed · RHSA-2010:0094
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | HelixPlayer-1:1.0.6-1.el4_8.1 | Fixed | RHSA-2010:0094 |
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 | 11.32% (0.11320) | 95.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.32% (0.11320) | 95.41th | v5 (v2026.06.15) |
| Mar 30, 2025 | 18.88% (0.18879) | 94.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 25.12% (0.25124) | 93.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 18.88% (0.18879) | 94.82th | v4 (v2025.03.14) |
| Dec 17, 2024 | 23.25% (0.23247) | 96.57th | v3 (v2023.03.01) |
| May 23, 2024 | 24.37% (0.24370) | 96.62th | v3 (v2023.03.01) |
| Apr 7, 2024 | 29.68% (0.29684) | 96.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 30.05% (0.30047) | 96.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.82% (0.12822) | 95.61th | v2 (v2022.01.01) |
| Feb 13, 2023 | 12.82% (0.12822) | 95.45th | v2 (v2022.01.01) |
| Feb 3, 2023 | 7.20% (0.07197) | 92.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.82% (0.12822) | 95.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.82% (0.12822) | 90.16th | v2 (v2022.01.01) |
References (9)
- http://lists.helixcommunity.org/pipermail/common-cvs/2007-July/014956.html mailing-listx_refsource_MLISTExploit
- http://secunia.com/advisories/38450 third-party-advisoryx_refsource_SECUNIA
- http://www.redhat.com/support/errata/RHSA-2010-0094.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2010-0416 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=561856 x_refsource_CONFIRMIssue Tracking
- https://helixcommunity.org/viewcvs/common/util/hxurl.cpp?view=log#rev1.24.4.1.4.1 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2010-0416
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10847 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2010-0416
| Link | Providers | Tags |
|---|---|---|
| http://lists.helixcommunity.org/pipermail/common-cvs/2007-July/014956.html | mailing-listx_refsource_MLISTExploit | |
| http://secunia.com/advisories/38450 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.redhat.com/support/errata/RHSA-2010-0094.html | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2010-0416 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=561856 | x_refsource_CONFIRMIssue Tracking | |
| https://helixcommunity.org/viewcvs/common/util/hxurl.cpp?view=log#rev1.24.4.1.4.1 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-0416 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10847 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2010-0416 |
Change history (0)
No recorded changes yet.