CVE-2017-7244
CVE-2017-7244 is a medium-severity vulnerability in Pcre with a CVSS 3.x base score of 5.5. 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-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Pcre
- Published:
- Last modified:
Description
The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.
Frequently asked questions
- What is CVE-2017-7244?
- The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.
- How severe is CVE-2017-7244?
- CVE-2017-7244 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-7244 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-7244?
- CVE-2017-7244 affects Pcre. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-7244?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-7244 published?
- CVE-2017-7244 was published on 2017-03-23 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/97067
- https://access.redhat.com/errata/RHSA-2018:2486
- https://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/
- https://security.gentoo.org/glsa/201710-25
Affected products (1)
- cpe:2.3:a:pcre:pcre:8.40:*:*:*:*:*:*:*
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