CVE-2024-55549

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-03-14. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
24.3%
KEV
Not listed

Published

March 14, 2025

Last Modified

November 3, 2025

References (2)

Vendor Advisories for CVE-2024-55549(7)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(21)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuxsltproc (1.1.39-0exp1ubuntu1.1) @ oracular2026-05-30ubuntu
ubuntuxsltproc (1.1.28-2.1ubuntu0.3+esm3) @ xenial2026-05-30ubuntu
redhatrhcos-412.86.202505281830-02025-06-05redhat
redhatrhcos-414.92.202505141057-02025-05-21redhat
redhatrhcos-413.92.202505061702-02025-05-15redhat
redhatrhcos-416.94.202505051351-02025-05-15redhat
redhatlibxslt-0:1.1.34-13.el9_62025-05-13redhat
redhatlibxslt-0:1.1.39-7.el10_02025-05-13redhat
redhatrhcos-418.94.202504291430-02025-05-09redhat
redhatrhcos-417.94.202504291434-02025-05-09redhat
redhatrhcos-415.92.202504282058-02025-05-08redhat
redhatlibxslt-0:1.1.34-9.el9_5.22025-04-23redhat
redhatlibxslt-0:1.1.28-9.el7_92025-04-23redhat
redhatlibxslt-0:1.1.32-6.el8_22025-04-07redhat
redhatlibxslt-0:1.1.32-8.el8_42025-04-07redhat
redhatlibxslt-0:1.1.32-8.el8_82025-04-07redhat
redhatlibxslt-0:1.1.34-11.el9_02025-04-07redhat
redhatlibxslt-0:1.1.34-11.el9_22025-04-07redhat
redhatlibxslt-0:1.1.32-6.1.el8_102025-04-07redhat
redhatlibxslt-0:1.1.32-8.el8_62025-04-07redhat
redhatlibxslt-0:1.1.34-13.el9_42025-04-07redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(16)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 10× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 07:51 UTCOSV refresh
  2. 2026-07-06 16:26 UTCEPSS rescore
  3. 2026-07-06 16:26 UTCEPSS rescore
  4. 2026-07-06 02:22 UTCEPSS rescore
  5. 2026-07-05 02:29 UTCEPSS rescore
  6. 2026-07-04 06:30 UTCEPSS rescore
  7. 2026-07-04 06:30 UTCEPSS rescore
  8. 2026-07-01 15:06 UTCEPSS rescore
  9. 2026-06-30 23:21 UTCEPSS rescore
  10. 2026-06-30 23:21 UTCEPSS rescore
  11. 2026-06-28 14:07 UTCEPSS rescore
  12. 2026-06-28 04:55 UTCEPSS rescore
  13. 2026-06-28 04:55 UTCEPSS rescore
  14. 2026-06-27 03:08 UTCEPSS rescore
  15. 2026-06-27 03:07 UTCEPSS rescore
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-25 13:49 UTCEPSS rescore
  18. 2026-06-24 14:04 UTCEPSS rescore
  19. 2026-06-24 14:04 UTCEPSS rescore
  20. 2026-06-23 21:32 UTCEPSS rescore
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 14:56 UTCEPSS rescore
  25. 2026-06-21 01:59 UTCEPSS rescore
Show 44 more
  1. 2026-06-19 19:25 UTCEPSS rescore
  2. 2026-06-19 19:25 UTCEPSS rescore
  3. 2026-06-18 18:44 UTCOSV refresh
  4. 2026-06-18 17:52 UTCEPSS rescore
  5. 2026-06-18 17:52 UTCEPSS rescore
  6. 2026-06-17 17:52 UTCEPSS rescore
  7. 2026-06-16 17:52 UTCEPSS rescore
  8. 2026-06-15 17:48 UTCEPSS rescore
  9. 2026-06-14 23:17 UTCEPSS rescore
  10. 2026-06-13 22:59 UTCEPSS rescore
  11. 2026-06-13 22:59 UTCEPSS rescore
  12. 2026-06-12 23:11 UTCEPSS rescore
  13. 2026-06-12 23:11 UTCEPSS rescore
  14. 2026-06-11 13:59 UTCEPSS rescore
  15. 2026-06-11 13:59 UTCEPSS rescore
  16. 2026-06-10 22:18 UTCEPSS rescore
  17. 2026-06-10 22:18 UTCEPSS rescore
  18. 2026-06-10 13:21 UTCEPSS rescore
  19. 2026-06-08 14:16 UTCEPSS rescore
  20. 2026-06-08 14:16 UTCEPSS rescore
  21. 2026-06-07 15:24 UTCEPSS rescore
  22. 2026-06-07 15:24 UTCEPSS rescore
  23. 2026-06-06 13:46 UTCEPSS rescore
  24. 2026-06-06 13:46 UTCEPSS rescore
  25. 2026-06-05 22:46 UTCEPSS rescore
  26. 2026-06-05 22:46 UTCEPSS rescore
  27. 2026-06-05 06:09 UTCEPSS rescore
  28. 2026-06-05 06:09 UTCEPSS rescore
  29. 2026-06-04 13:11 UTCEPSS rescore
  30. 2026-06-04 13:11 UTCEPSS rescore
  31. 2026-06-02 20:12 UTCEPSS rescore
  32. 2026-06-02 20:12 UTCEPSS rescore
  33. 2026-06-01 13:51 UTCEPSS rescore
  34. 2026-06-01 13:51 UTCEPSS rescore
  35. 2026-06-01 13:51 UTCEPSS rescore
  36. 2026-05-31 22:30 UTCEPSS rescore
  37. 2026-05-31 22:30 UTCEPSS rescore
  38. 2026-05-31 00:16 UTCEPSS rescore
  39. 2026-05-31 00:16 UTCEPSS rescore
  40. 2026-05-30 09:34 UTCEG score recompute
  41. 2026-05-30 09:34 UTCVendor advisory
  42. 2026-05-30 09:34 UTCGHSA enrichment
  43. 2026-05-30 08:44 UTCOSV refresh
  44. 2026-05-29 13:43 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2024-55549?
CVE-2024-55549 is a high vulnerability published on March 14, 2025. xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.
When was CVE-2024-55549 disclosed?
CVE-2024-55549 was first published in the National Vulnerability Database on March 14, 2025, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-55549 actively exploited?
CVE-2024-55549 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-55549?
CVE-2024-55549 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2024-55549?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-55549, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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