2: use-after-free when importing certificate with many alternate names
Published Aug 5, 2010
8.1
HIGHCVSS 3.1
EPSS 5.34%
Description
Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names, which is not properly handled in a realloc operation when importing the certificate or verifying its signature.
Affected products
No data.
Configuration 2
- 13
Configuration 3
- 5.0
No data.
Red Hat Enterprise Linux 5
gnupg2-0:2.0.10-3.el5_5.1
Fixed · RHSA-2010:0603
Red Hat Enterprise Linux 6
gnupg2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | gnupg2-0:2.0.10-3.el5_5.1 | Fixed | RHSA-2010:0603 |
| Red Hat Enterprise Linux 6 | gnupg2 | Not affected | 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:H/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:H/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 2, 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.34% (0.05342) | 92.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.34% (0.05342) | 91.55th | v5 (v2026.06.15) |
| Mar 30, 2025 | 15.10% (0.15103) | 94.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 21.05% (0.21053) | 92.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.10% (0.15103) | 94.07th | v4 (v2025.03.14) |
| Dec 22, 2024 | 14.20% (0.14199) | 95.68th | v3 (v2023.03.01) |
| Dec 17, 2024 | 10.67% (0.10673) | 95.04th | v3 (v2023.03.01) |
| Feb 3, 2024 | 12.74% (0.12736) | 94.99th | v3 (v2023.03.01) |
| Mar 26, 2023 | 12.32% (0.12322) | 94.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.74% (0.11743) | 94.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.23% (0.08228) | 93.49th | v2 (v2022.01.01) |
| Feb 13, 2023 | 8.23% (0.08228) | 93.20th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.23% (0.08228) | 92.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.23% (0.08228) | 82.23th | v2 (v2022.01.01) |
References (22)
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/38877 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://secunia.com/advisories/40718 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://secunia.com/advisories/40841 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008 vendor-advisoryx_refsource_SLACKWAREBroken Link
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076 x_refsource_CONFIRMBroken Link
- http://www.debian.org/security/2010/dsa-2076 vendor-advisoryx_refsource_DEBIANMailing ListThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:143 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.securityfocus.com/bid/41945 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1024247 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2010/1931 vdb-entryx_refsource_VUPENBroken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2010/1950 vdb-entryx_refsource_VUPENBroken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2010/1988 vdb-entryx_refsource_VUPENBroken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2010/2217 vdb-entryx_refsource_VUPENBroken Link
- http://www.vupen.com/english/advisories/2010/3125 vdb-entryx_refsource_VUPENBroken Link
- https://access.redhat.com/security/cve/CVE-2010-2547 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=618156 Issue Tracking
- https://issues.rpath.com/browse/RPL-3229 x_refsource_CONFIRMBroken Link
- https://nvd.nist.gov/vuln/detail/CVE-2010-2547
- https://www.cve.org/CVERecord?id=CVE-2010-2547
Change history (0)
No recorded changes yet.