gcc: Invalid write due to a use-after-free to array ktypevec
Published Feb 24, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.68%
Description
Use-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, related to "ktypevec."
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
binutils
Will not fix
Red Hat Enterprise Linux 5
binutils220
Will not fix
Red Hat Enterprise Linux 5
compat-gcc-295
Will not fix
Red Hat Enterprise Linux 5
compat-gcc-296
Will not fix
Red Hat Enterprise Linux 5
compat-gcc-32
Will not fix
Red Hat Enterprise Linux 5
compat-gcc-34
Will not fix
Red Hat Enterprise Linux 5
gcc
Will not fix
Red Hat Enterprise Linux 5
gcc44
Will not fix
Red Hat Enterprise Linux 5
gdb
Will not fix
Red Hat Enterprise Linux 6
binutils
Will not fix
Red Hat Enterprise Linux 6
compat-gcc-295
Will not fix
Red Hat Enterprise Linux 6
compat-gcc-296
Will not fix
Red Hat Enterprise Linux 6
compat-gcc-32
Will not fix
Red Hat Enterprise Linux 6
compat-gcc-34
Will not fix
Red Hat Enterprise Linux 6
gcc
Will not fix
Red Hat Enterprise Linux 6
gdb
Will not fix
Red Hat Enterprise Linux 7
binutils
Will not fix
Red Hat Enterprise Linux 7
compat-gcc-34
Will not fix
Red Hat Enterprise Linux 7
compat-gcc-44
Will not fix
Red Hat Enterprise Linux 7
gcc
Will not fix
Red Hat Enterprise Linux 7
gdb
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | binutils | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | binutils220 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | compat-gcc-295 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | compat-gcc-296 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | compat-gcc-32 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | compat-gcc-34 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | gcc | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | gcc44 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | gdb | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | binutils | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | compat-gcc-295 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | compat-gcc-296 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | compat-gcc-32 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | compat-gcc-34 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | gcc | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | gdb | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | binutils | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | compat-gcc-34 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | compat-gcc-44 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | gcc | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | gdb | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. 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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:M/Au:N/C:N/I:N/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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.68% (0.01680) | 76.08th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.68% (0.01680) | 75.91th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.00% (0.02997) | 86.70th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.68% (0.01680) | 75.39th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.00% (0.02997) | 86.41th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.68% (0.01680) | 75.27th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.00% (0.02997) | 86.33th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.68% (0.01680) | 75.13th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.00% (0.02997) | 86.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01680) | 73.85th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.12% (0.00123) | 28.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00388) | 74.06th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00388) | 72.47th | v3 (v2023.03.01) |
| Mar 12, 2023 | 0.39% (0.00386) | 68.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.40% (0.00400) | 69.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (7)
- http://www.openwall.com/lists/oss-security/2016/05/05/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/90025 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-4488 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1333332 Issue Tracking
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-4488
- https://www.cve.org/CVERecord?id=CVE-2016-4488
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/05/05/5 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/90025 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-4488 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1333332 | Issue Tracking | |
| https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-4488 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-4488 |
Change history (0)
No recorded changes yet.