Cipher API information disclosure in pidgin
Published Aug 8, 2012
2.1
LOWCVSS 2.0
EPSS 0.31%
Description
cipher.c in the Cipher API in libpurple in Pidgin before 2.7.10 retains encryption-key data in process memory, which might allow local users to obtain sensitive information by reading a core file or other representation of memory contents.
Affected products
No data.
- ≤ 2.7.9
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1.0
- 2.1.1
- 2.2.0
- 2.2.1
- 2.2.2
- 2.3.0
- 2.3.1
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 2.5.6
- 2.5.7
- 2.5.8
- 2.5.9
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.4
- 2.6.5
- 2.6.6
- 2.7.0
- 2.7.1
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.5
- 2.7.6
- 2.7.7
- 2.7.8
- 2.10.0
- 2.10.1
- 2.10.2
- 2.10.3
- 2.10.4
No data.
Red Hat Enterprise Linux 6
pidgin-0:2.7.9-3.el6
Fixed · RHSA-2011:0616
Red Hat Enterprise Linux 4
pidgin
Will not fix
Red Hat Enterprise Linux 5
pidgin
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | pidgin-0:2.7.9-3.el6 | Fixed | RHSA-2011:0616 |
| Red Hat Enterprise Linux 4 | pidgin | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | pidgin | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The Red Hat Security Response Team has rated this issue as having low security impact. A future update may address this issue in Red Hat Enterprise Linux 4 or 5 (it has been addressed in Red Hat Enterprise Linux 6). For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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:L/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.31% (0.00308) | 21.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.30% (0.00297) | 21.18th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00079) | 21.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 13, 2023 | 0.95% (0.00950) | 31.86th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.03% (0.01034) | 40.96th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://hg.pidgin.im/pidgin/main/rev/8c850977cb42 x_refsource_CONFIRMExploitPatch
- http://openwall.com/lists/oss-security/2012/01/04/13 mailing-listx_refsource_MLIST
- http://www.pidgin.im/news/security/?id=50 x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2011-4922 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=684685 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-4922
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18223 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-4922
| Link | Providers | Tags |
|---|---|---|
| http://hg.pidgin.im/pidgin/main/rev/8c850977cb42 | x_refsource_CONFIRMExploitPatch | |
| http://openwall.com/lists/oss-security/2012/01/04/13 | mailing-listx_refsource_MLIST | |
| http://www.pidgin.im/news/security/?id=50 | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2011-4922 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=684685 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-4922 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18223 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2011-4922 |
Change history (0)
No recorded changes yet.