Leptonica before 1.75.3 does not limit the number of characters in a %s format argument to fscanf or sscanf, which allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a long string, as demonstrated by the gplotRead and ptaReadStream functions
Published Feb 16, 2018
9.8
CRITICALCVSS 3.0
EPSS 3.40%
Description
Leptonica before 1.75.3 does not limit the number of characters in a %s format argument to fscanf or sscanf, which allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a long string, as demonstrated by the gplotRead and ptaReadStream functions.
Affected products
No data.
Configuration 2
- 7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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 1, 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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.40% (0.03401) | 88.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.52% (0.03520) | 87.68th | v5 (v2026.06.15) |
| Mar 22, 2026 | 3.12% (0.03118) | 86.72th | v4 (v2025.03.14) |
| Mar 15, 2026 | 1.63% (0.01627) | 81.66th | v4 (v2025.03.14) |
| Nov 21, 2025 | 2.90% (0.02895) | 85.85th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.20% (0.01201) | 77.14th | v4 (v2025.03.14) |
| Jul 3, 2025 | 3.04% (0.03045) | 86.16th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.59% (0.01588) | 79.95th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.86% (0.03863) | 80.08th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.90% (0.00904) | 82.93th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.90% (0.00904) | 82.92th | v3 (v2023.03.01) |
| Dec 18, 2023 | 0.90% (0.00904) | 80.92th | v3 (v2023.03.01) |
| Sep 12, 2023 | 0.46% (0.00460) | 72.29th | v3 (v2023.03.01) |
| Aug 19, 2023 | 0.50% (0.00503) | 73.40th | v3 (v2023.03.01) |
| Jul 10, 2023 | 0.71% (0.00712) | 77.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00627) | 75.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.62% (0.01623) | 33.90th | v1 |
| Jan 6, 2022 | 1.62% (0.01623) | 33.20th | v1 |
| Sep 1, 2021 | 1.62% (0.01623) | 73.32th | v1 |
| Apr 14, 2021 | 1.62% (0.01623) | 0.00th | v1 |
References (5)
- https://bugs.debian.org/890548 Third Party Advisory
- https://github.com/DanBloomberg/leptonica/commit/ee301cb2029db8a6289c5295daa42bba7715e99a PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00005.html mailing-listMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts/2018/02/msg00054.html Mailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202312-01 vendor-advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.debian.org/890548 | Third Party Advisory | |
| https://github.com/DanBloomberg/leptonica/commit/ee301cb2029db8a6289c5295daa42bba7715e99a | PatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00005.html | mailing-listMailing ListThird Party Advisory | |
| https://lists.debian.org/debian-lts/2018/02/msg00054.html | Mailing ListThird Party Advisory | |
| https://security.gentoo.org/glsa/202312-01 | vendor-advisory |
Change history (0)
No recorded changes yet.