CRITICAL
pidgin: Out-of-bounds write in purple_markup_unescape_entity triggered by invalid XML
Published Jul 27, 2018
9.8
CRITICALCVSS 3.0
EPSS 6.26%
Description
An out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remote server could potentially use this flaw to crash Pidgin or execute arbitrary code in the context of the pidgin process.
Affected products
-
- Version 2.12.0StatusaffectedConstraints-
- Version
Configuration 2
OR
- 8.0
- 7.0
- 7.0
- 7.4
- 7.4
- 7.5
- 7.0
No data.
Red Hat Enterprise Linux 7
pidgin-0:2.10.11-5.el7
Fixed · RHSA-2017:1854
Red Hat Enterprise Linux 5
pidgin
Will not fix
Red Hat Enterprise Linux 6
pidgin
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | pidgin-0:2.10.11-5.el7 | Fixed | RHSA-2017:1854 |
| Red Hat Enterprise Linux 5 | pidgin | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | pidgin | 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.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
7.5 HIGH Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.26% 0.06258
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.06258
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.26% (0.06258) | 93.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.51% (0.06510) | 92.88th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.03% (0.01027) | 75.29th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.12% (0.03123) | 77.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.03% (0.01027) | 75.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.84% (0.00841) | 82.80th | v3 (v2023.03.01) |
| Jul 6, 2024 | 0.84% (0.00841) | 82.23th | v3 (v2023.03.01) |
| Jun 5, 2024 | 0.85% (0.00851) | 81.74th | v3 (v2023.03.01) |
| Feb 20, 2024 | 0.67% (0.00672) | 79.20th | v3 (v2023.03.01) |
| Jan 27, 2024 | 0.77% (0.00769) | 79.33th | v3 (v2023.03.01) |
| Dec 18, 2023 | 0.93% (0.00932) | 81.22th | v3 (v2023.03.01) |
| Jul 21, 2023 | 0.82% (0.00822) | 79.66th | v3 (v2023.03.01) |
| Jun 18, 2023 | 1.01% (0.01009) | 81.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.90% (0.00896) | 80.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.51% (0.02509) | 81.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.51% (0.02509) | 80.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.51% (0.02509) | 58.60th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.18% (0.02177) | 50.59th | v1 |
| Jan 6, 2022 | 2.18% (0.02177) | 50.09th | v1 |
| Sep 1, 2021 | 2.18% (0.02177) | 77.45th | v1 |
| Apr 14, 2021 | 2.18% (0.02177) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://www.securityfocus.com/bid/96775 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1854 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-2640 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1430019 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2640 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-2640
- https://security.gentoo.org/glsa/201706-10 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-2640
- https://www.debian.org/security/2017/dsa-3806 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/96775 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/errata/RHSA-2017:1854 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-2640 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1430019 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2640 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-2640 | ||
| https://security.gentoo.org/glsa/201706-10 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-2640 | ||
| https://www.debian.org/security/2017/dsa-3806 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jul 27, 2018
Updated Aug 5, 2024
Reserved Dec 1, 2016
Link CVE-2017-2640
CISA Vulnrichment
Updated n/a