A flaw in the libapreq2 v2.07 to v2.13 multipart parser can deference a null pointer leading to a process crash
Published Nov 18, 2020
7.5
HIGHCVSS 3.1
EPSS 3.99%
Description
A flaw in the libapreq2 v2.07 to v2.13 multipart parser can deference a null pointer leading to a process crash. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.
Affected products
- Vendor n/a Product Libapreq2 Defaultn/a
- Version 2.07 to 2.13StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Libapreq2 | n/a |
|
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.99% (0.03989) | 90.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.94% (0.03941) | 89.01th | v5 (v2026.06.15) |
| Nov 21, 2025 | 2.45% (0.02448) | 84.69th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.82% (0.03824) | 87.00th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.45% (0.02448) | 83.76th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.49% (0.04493) | 81.49th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.45% (0.02448) | 84.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00127) | 49.10th | v3 (v2023.03.01) |
| Aug 4, 2023 | 0.13% (0.00127) | 46.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00113) | 43.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.88% (0.02881) | 63.65th | v1 |
| Jan 6, 2022 | 2.88% (0.02881) | 63.31th | v1 |
| Sep 1, 2021 | 2.88% (0.02881) | 80.72th | v1 |
| Apr 14, 2021 | 2.88% (0.02881) | 0.00th | v1 |
References (2)
- https://bugs.debian.org/939937 x_refsource_MISCMailing ListThird Party Advisory
- https://lists.apache.org/thread.html/rce5814279a615d4a17c870a3c5b77f57975874d382ffee0b73b7f9da%40%3Cmodperl.perl.apache.org%3E x_refsource_MISCMailing ListVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.debian.org/939937 | x_refsource_MISCMailing ListThird Party Advisory | |
| https://lists.apache.org/thread.html/rce5814279a615d4a17c870a3c5b77f57975874d382ffee0b73b7f9da%40%3Cmodperl.perl.apache.org%3E | x_refsource_MISCMailing ListVendor Advisory |
Change history (0)
No recorded changes yet.