php: XMLWriter information leak
Published Nov 13, 2019
7.5
HIGHCVSS 3.1
EPSS 1.54%
Description
PHP5 before 5.4.4 allows passing invalid utf-8 strings via the xmlTextWriterWriteAttribute, which are then misparsed by libxml2. This results in memory leak into the resulting output.
Affected products
-
- Version before 5.4.4StatusaffectedConstraints-
- Version
Configuration 2
- 5.0
- 6.0
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 4
php
Not affected
Red Hat Enterprise Linux 5
php
Will not fix
Red Hat Enterprise Linux 5
php53
Will not fix
Red Hat Enterprise Linux 6
php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | php53 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | php | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.54% (0.01541) | 74.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01541) | 71.58th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.57% (0.01570) | 79.82th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.24% (0.04240) | 80.97th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.78% (0.00784) | 72.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.48% (0.00477) | 76.56th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.75% (0.00754) | 80.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.75% (0.00754) | 78.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- https://access.redhat.com/security/cve/CVE-2010-4657 Vendor Advisory
- https://access.redhat.com/security/cve/cve-2010-4657 x_refsource_MISCThird Party Advisory
- https://bugs.launchpad.net/php/%2Bbug/655442 x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=673101 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-4657
- https://security-tracker.debian.org/tracker/CVE-2010-4657 x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2010-4657
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2010-4657 | Vendor Advisory | |
| https://access.redhat.com/security/cve/cve-2010-4657 | x_refsource_MISCThird Party Advisory | |
| https://bugs.launchpad.net/php/%2Bbug/655442 | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=673101 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4657 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-4657 | ||
| https://security-tracker.debian.org/tracker/CVE-2010-4657 | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2010-4657 |
Change history (0)
No recorded changes yet.