exiv2: Heap-based buffer over-read in PngChunk::keyTXTChunk function of pngchunk_int.cpp
Published Dec 13, 2017
5.5
MEDIUMCVSS 3.1
EPSS 1.60%
Description
There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.
Affected products
No data.
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 3
- 10.0
No data.
Red Hat Enterprise Linux 6
exiv2
Will not fix
Red Hat Enterprise Linux 7
exiv2
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | exiv2 | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | exiv2 | 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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.60% (0.01598) | 74.87th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.60% (0.01598) | 74.66th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.34% (0.00341) | 71.74th | v3 (v2023.03.01) |
| Apr 29, 2024 | 0.34% (0.00341) | 71.12th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00292) | 68.28th | v3 (v2023.03.01) |
| Dec 29, 2023 | 0.29% (0.00292) | 65.86th | v3 (v2023.03.01) |
| Nov 23, 2023 | 0.24% (0.00244) | 62.23th | v3 (v2023.03.01) |
| Oct 23, 2023 | 0.21% (0.00206) | 58.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00171) | 52.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00976) | 26.54th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
References (7)
- https://access.redhat.com/security/cve/CVE-2017-17669 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1526052 Issue Tracking
- https://github.com/Exiv2/exiv2/issues/187 ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html mailing-listMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-17669
- https://usn.ubuntu.com/3852-1/ vendor-advisoryThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-17669
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-17669 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1526052 | Issue Tracking | |
| https://github.com/Exiv2/exiv2/issues/187 | ExploitThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html | mailing-listMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-17669 | ||
| https://usn.ubuntu.com/3852-1/ | vendor-advisoryThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-17669 |
Change history (0)
No recorded changes yet.