CVE-2017-5357
CVE-2017-5357 is a high-severity vulnerability in Gnu Ed with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Gnu Ed
- Published:
- Last modified:
Description
regex.c in GNU ed before 1.14.1 allows attackers to cause a denial of service (crash) via a malformed command, which triggers an invalid free.
Frequently asked questions
- What is CVE-2017-5357?
- regex.c in GNU ed before 1.14.1 allows attackers to cause a denial of service (crash) via a malformed command, which triggers an invalid free.
- How severe is CVE-2017-5357?
- CVE-2017-5357 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-5357 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-5357?
- CVE-2017-5357 primarily affects Gnu Ed. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-5357?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-5357 published?
- CVE-2017-5357 was published on 2017-02-17 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2017/01/12/5
- http://www.openwall.com/lists/oss-security/2017/01/12/6
- http://www.openwall.com/lists/oss-security/2017/01/12/7
- http://www.openwall.com/lists/oss-security/2017/01/13/3
- http://www.securityfocus.com/bid/95422
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVH54XNZ77ICNBJTPI2DLJYQTA3SYSFC/
- https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html
Affected products (2)
- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:ed:*:*:*:*:*:*:*:*
More vulnerabilities in Gnu Ed
- CVE-2008-3916 — Critical (CVSS 9.3): Heap-based buffer overflow in the strip_escapes function in signal.c in GNU ed before 1.0 allows context-dependent or…
- CVE-2006-6939 — Medium (CVSS 4.6): GNU ed before 0.3 allows local users to overwrite arbitrary files via a symlink attack on temporary files, possibly in…
- CVE-2000-1137 — Medium (CVSS 4.6): GNU ed before 0.2-18.1 allows local users to overwrite the files of other users via a symlink attack.
Other CWE-416 (Use After Free) vulnerabilities
- CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…