CVE-2017-7244 — Out-of-bounds Read in Pcre

CWE-125 — Out-of-bounds ReadCWE-20 — Improper Input Validation14 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.5%
top 32.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Debian Pcre3Pcre
Timeline
PublishedMar 23
Latest updateMay 14

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.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶debiandebian/pcre3< pcre3 2:8.39-3 (bookworm)
▶NVDpcre/pcre8.40

🔴Vulnerability Details

2
GHSA
GHSA-2j3f-972q-6fv5: The _pcre32_xclass function in pcre_xclass↗2022-05-14
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OSV
CVE-2017-7244: The _pcre32_xclass function in pcre_xclass↗2017-03-23
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📋Vendor Advisories

2
Red Hat
pcre: invalid memory read in _pcre32_xclass (pcre_xclass.c)↗2017-03-23
▶
Debian
CVE-2017-7244: pcre3 - The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows rem...↗2017
▶

💬Community

9
Bugzilla
CVE-2017-7244 CVE-2017-7245 CVE-2017-7246 mingw-glib2: various flaws [fedora-all]↗2017-03-30
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Bugzilla
CVE-2017-7244 CVE-2017-7245 CVE-2017-7246 mingw-pcre: various flaws [fedora-all]↗2017-03-30
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Bugzilla
CVE-2017-7245 pcre: stack-based buffer overflow write in pcre32_copy_substring↗2017-03-30
▶
Bugzilla
CVE-2017-7244 CVE-2017-7245 CVE-2017-7246 glib2: various flaws [fedora-all]↗2017-03-30
▶
Bugzilla
CVE-2017-7246 pcre: stack-based buffer overflow write in pcre32_copy_substring↗2017-03-30
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CVE-2017-7244 — Out-of-bounds Read in Pcre | cvebase