CVE-2017-1000158
9.8
CRITICAL · CVSS 3.1 · EPSS 7.9% (pctl 95)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 7.94% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-11-17 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| python | python |
References
- http://www.securitytracker.com/id/1039890
- https://bugs.python.org/issue30657
- https://lists.debian.org/debian-lts-announce/2017/11/msg00035.html
- https://lists.debian.org/debian-lts-announce/2017/11/msg00036.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html
- https://security.gentoo.org/glsa/201805-02
- https://security.netapp.com/advisory/ntap-20230216-0001/
- https://www.debian.org/security/2018/dsa-4307
- http://www.securitytracker.com/id/1039890
- https://bugs.python.org/issue30657
- https://lists.debian.org/debian-lts-announce/2017/11/msg00035.html
- https://lists.debian.org/debian-lts-announce/2017/11/msg00036.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html
- https://security.gentoo.org/glsa/201805-02
- https://security.netapp.com/advisory/ntap-20230216-0001/
- https://www.debian.org/security/2018/dsa-4307
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