libarchive: Off-by-one error in the read_header function
Published Sep 17, 2017
7.5
HIGHCVSS 3.1
EPSS 3.37%
Description
read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archive_read_format_rar_read_header.
Affected products
No data.
- 3.3.2
No data.
Red Hat Enterprise Linux 8
libarchive-0:3.3.3-1.el8
Fixed · RHEA-2021:1580
Red Hat Enterprise Linux 6
libarchive
Out of support scope
Red Hat Enterprise Linux 7
libarchive
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | libarchive-0:3.3.3-1.el8 | Fixed | RHEA-2021:1580 |
| Red Hat Enterprise Linux 6 | libarchive | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | libarchive | 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:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/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 3, 2026.
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.37% (0.03367) | 88.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.37% (0.03367) | 87.14th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.68% (0.00678) | 69.17th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.93% (0.02934) | 77.35th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.68% (0.00678) | 69.84th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.53% (0.00535) | 77.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.68% (0.00675) | 79.21th | v3 (v2023.03.01) |
| May 8, 2023 | 0.68% (0.00675) | 76.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.75% (0.00749) | 78.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
References (11)
- https://access.redhat.com/security/cve/CVE-2017-14502 Vendor Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=573 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugs.debian.org/875974 x_refsource_MISCIssue TrackingMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1494463 Issue Tracking
- https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6 x_refsource_MISCThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-14502
- https://security.gentoo.org/glsa/201908-11 vendor-advisoryx_refsource_GENTOO
- https://usn.ubuntu.com/3859-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-14502
- https://www.debian.org/security/2018/dsa-4360 vendor-advisoryx_refsource_DEBIAN
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-14502 | Vendor Advisory | |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=573 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugs.debian.org/875974 | x_refsource_MISCIssue TrackingMailing ListThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1494463 | Issue Tracking | |
| https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6 | x_refsource_MISCThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-14502 | ||
| https://security.gentoo.org/glsa/201908-11 | vendor-advisoryx_refsource_GENTOO | |
| https://usn.ubuntu.com/3859-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-14502 | ||
| https://www.debian.org/security/2018/dsa-4360 | vendor-advisoryx_refsource_DEBIAN |
Change history (0)
No recorded changes yet.