CVE-2018-7173
CVE-2018-7173 is a medium-severity vulnerability in Xpdfreader Xpdf 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-172.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-172
- Affected product: Xpdfreader Xpdf
- Published:
- Last modified:
Description
A large loop in JBIG2Stream::readSymbolDictSeg in xpdf 4.00 allows an attacker to cause denial of service via a specific file due to inappropriate decoding.
Frequently asked questions
- What is CVE-2018-7173?
- A large loop in JBIG2Stream::readSymbolDictSeg in xpdf 4.00 allows an attacker to cause denial of service via a specific file due to inappropriate decoding.
- How severe is CVE-2018-7173?
- CVE-2018-7173 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-2018-7173 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-7173?
- CVE-2018-7173 affects Xpdfreader Xpdf. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-7173?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-7173 published?
- CVE-2018-7173 was published on 2018-02-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*
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